This list includes 63 Legal terms that start with B, from “Bail” to “Bylaw”. These entries span procedural rules, statutory phrases, and doctrinal concepts used across criminal, civil, and administrative law.
Legal terms that start with B are concise legal labels and doctrines used to describe rights, procedures, and obligations. For example, “bail” traces to medieval English practice and still shapes modern criminal procedure worldwide.
Below you’ll find the table with Term, Definition, Etymology, Jurisdiction, and Notes.
Term: What the entry is called; use it to find the exact word you need quickly in study or practice.
Definition: A concise legal meaning and typical use that helps you understand how the term functions in law.
Etymology: Brief origin details showing root language and historical usage, which help you remember and contextualize the term.
Jurisdiction: Notes on where the term is commonly used or varies by country, so you know which rules apply to your work.
Notes: Practical pointers, notable cases, or related terms to explore next, helping you follow up or prepare for exams.
Legal terms that start with B
| Term | Category | Meaning | Etymology / Origin |
|---|---|---|---|
| Bail | Procedure | Temporary release from custody pending court appearance | Old French, medieval |
| Bailment | Property | Delivery of personal property for safekeeping | Old French/Latin, medieval |
| Bailiff | Court officer | Officer who enforces court orders and maintains courtroom order | Middle English, medieval |
| Bail bond | Procedure | Surety guaranteeing defendant’s court appearance | English, 19th century |
| Bankruptcy | Insolvency | Legal process resolving insolvency and creditor claims | Old French/Latin, 14th century |
| Bankruptcy trustee | Administration | Court-appointed official managing bankruptcy estate | English, modern |
| Battery | Tort/Crime | Intentional harmful or offensive physical contact | Old French/Latin, medieval |
| Beneficiary | Trust/Will | Person entitled to receive benefits or property | Latin beneficia, medieval |
| Beneficial owner | Property/Corporate | Person who enjoys substantial benefits/control of an asset | Latin/Old French usage |
| Beneficial interest | Property/Trust | Equitable right to benefit from property owned by another | Latin/Old English |
| Bequest | Estate | Gift of personal property under a will | Middle English, medieval |
| Bench | Court | Judge or collective judges presiding in court | Old English, medieval |
| Bench warrant | Procedure | Arrest warrant issued by a judge for nonappearance | English, common law |
| Bench trial | Procedure | Trial decided by a judge without a jury | English, common law |
| Bench opinion | Judgment | Judge’s on-the-spot court ruling or explanation | English usage |
| Beyond a reasonable doubt | Evidence standard | Highest standard for criminal conviction | English common law |
| Bifurcation | Procedure | Splitting legal issues/trials into separate parts | Latin/medieval usage |
| Bilateral contract | Contract | Agreement creating mutual obligations for two parties | Latin roots, civil/common law |
| Bill | Legislation | Proposed law presented for legislative approval | Old English/Latin, medieval |
| Bill of attainder | Constitutional | Legislative act punishing an individual without trial | English, early modern |
| Bill of exchange | Commercial | Negotiable order to pay money on demand or date | French/Latin, medieval commerce |
| Bill of lading | Commercial | Document acknowledging receipt and terms for shipped goods | Medieval maritime law |
| Bill of particulars | Procedure | Detailed statement clarifying charges or claims | English common law |
| Bill of rights | Constitutional | Document or statutory protections of individual rights | Latin/English, modern |
| Bill of sale | Transactions | Document transferring ownership of personal property | English common law |
| Bill of credit | Currency/Constitutional | Paper money or government-issued promissory note | Early modern English |
| Binder | Insurance/Contract | Temporary insurance agreement pending formal policy | English, 19th century |
| Blackmail | Crime | Extortion by threats to expose or harm unless demands met | English, 16th–17th century |
| Black-letter law | Doctrinal | Well-established, widely accepted legal principles | Metaphorical late 19th century |
| Blue pencil doctrine | Contracts/Remedy | Court power to sever illegal contract parts and enforce remainder | Metaphorical editing term, 19th century |
| Blue law | Statute | Law restricting activities on Sundays or religious days | Colonial/English origins |
| Blue sky laws | Securities | State laws regulating securities offerings and fraud | U.S. early 20th century |
| Blank endorsement | Negotiable instruments | Endorsement not specifying payee, making instrument negotiable | English commercial law |
| Blanket lien | Security interest | Security interest covering multiple assets of debtor | Commercial law term |
| Bond | Securities/Surety | Debt instrument or guarantee securing performance | Old French/Latin, medieval |
| Bondholder | Securities | Person or entity holding a bond/security | English, modern |
| Boot (tax) | Tax | Non-like-kind property or money in exchange transactions | Informal legal term |
| Bona fide | Doctrine | In good faith; genuine or without fraud | Latin, classical |
| Bona fide purchaser | Property | Buyer who purchases in good faith without notice of defects | Latin phrase |
| Bona vacantia | Property | Ownerless property reverting to the state or crown | Latin, medieval |
| Bona fide occupational qualification | Employment law | Permitted employer job requirement based on authentic necessity | Latin phrase, 20th century |
| Border search | Procedure | Search at national boundary without warrant requirement | Modern statutory/common law |
| Borrower | Finance/Contract | Person or entity receiving funds under loan terms | Old English, medieval |
| Breach | General | Failure to perform a legal duty or promise | Old English, medieval |
| Breach of contract | Contract | Violation of contractual obligation by a party | English common law |
| Breach of fiduciary duty | Tort/Equity | Fiduciary’s failure to act loyally or in beneficiary’s interest | Latin/English |
| Breach of the peace | Criminal/Public order | Conduct disturbing public order or tranquility | English common law |
| Brief | Procedure | Written legal argument presented to a court | Old French/Latin, medieval |
| Bribery | Crime | Offering, giving, or receiving improper payments to influence actions | Latin/Old French, medieval |
| Brandeis brief | Procedure/Advocacy | Brief emphasizing social-science evidence and policy impact | Named after Justice Brandeis, early 20th century |
| Broker | Agency/Finance | Agent who arranges transactions between buyers and sellers | Old French/English, medieval commerce |
| Broker-dealer | Securities | Firm acting as broker and dealer in securities transactions | U.S. securities term |
| Brownfield? (excluded) | |||
| Burden of proof | Evidence | Obligation to prove disputed facts in a case | Latin/common law |
| Burden of persuasion | Evidence | Degree to which a party must be convinced on an issue | English common law |
| Burden of production | Procedure | Obligation to introduce sufficient evidence to survive a motion | English common law |
| Burden shifting | Evidence | When burden moves between parties based on proof or presumption | English common law |
| Business entity | Corporate | Organizational form for carrying on business activities | Latin/English modern |
| Business judgment rule | Corporate | Judicial deference to directors’ reasonable business decisions | U.S./common law development |
| Business tort | Tort | Wrongful acts harming a business’s economic interests | Modern commercial law |
| Buyer in ordinary course | Sales | Buyer who purchases goods in regular market without notice of claims | UCC/common law |
| Bylaw | Corporate/Governance | Internal rule governing operations of a corporation or organization | Medieval English |
| Black-letter law | Doctrinal | Clearly established legal principles (see also “Black-letter”) | Metaphorical term |