Bracket

1. n. A gas fixture or lamp holder projecting from the face of a wall, column, or the like.
2. n. 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.
3. n. 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.
4. n. A shot, crooked timber, resembling a knee, used as a support.
5. n. The cheek or side of an ordnance carriage.
6. n. 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.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.