bracketn.[Cf. OF. braguette codpiece, F. brayette, Sp. bragueta, also a projecting mold in architecture; dim. fr. L. bracae breeches; cf. also, OF. bracon beam, prop, support; of unknown origin. Cf. Breeches.]()1. (Arch.) An architectural member, plain or ornamental, projecting from a wall or pier, to support weight falling outside of the same; also, a decorative feature seeming to discharge such an office.()()2. (Engin. & Mech.) A piece or combination of pieces, usually triangular in general shape, projecting from, or fastened to, a wall, or other surface, to support heavy bodies or to strengthen angles.()3. (Naut.) A shot, crooked timber, resembling a knee, used as a support.()4. (Mil.) The cheek or side of an ordnance carriage.()5. (Print.) One of two characters [], used to inclose a reference, explanation, or note, or a part to be excluded from a sentence, to indicate an interpolation, to rectify a mistake, or to supply an omission, and for certain other purposes; -- called also crotchet.()6. A gas fixture or lamp holder projecting from the face of a wall, column, or the like.()7. (Gunnery) A figure determined by firing a projectile beyond a target and another short of it, as a basis for ascertaining the proper elevation of the piece; -- only used in the phrase, to establish a bracket. After the bracket is established shots are fired with intermediate elevations until the exact range is obtained. In the United States navy it is called fork.()Bracket light, a gas fixture or a lamp attached to a wall, column, etc.()v. t.1. To place within brackets; to connect by brackets; to furnish with brackets.()2. (Gunnery) To shoot so as to establish a bracket for (an object).()