Bracket

1. 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. (Arch.)
2. 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. (Engin. & Mech.)
3. A shot, crooked timber, resembling a knee, used as a support. (Naut.)
4. The cheek or side of an ordnance carriage. (Mil.)
5. 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. (Print.)
6. A gas fixture or lamp holder projecting from the face of a wall, column, or the like.
7. 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. (Gunnery)

imp. & p. p. Bracketed; p. pr. & vb. n. Bracketing

1. To place within brackets; to connect by brackets; to furnish with brackets.
2. To shoot so as to establish a bracket for (an object). (Gunnery)