Bridle

1. n. A mooring hawser.
2. n. The head gear with which a horse is governed and restrained, consisting of a headstall, a bit, and reins, with other appendages.
3. n. A restraint; a curb; a check.
4. n. The piece in the interior of a gun lock, which holds in place the tumbler, sear, etc.
5. n. A span of rope, line, or chain made fast as both ends, so that another rope, line, or chain may be attached to its middle.

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.