Trap

1. v. i. To set traps for game; to make a business of trapping game; as, to trap for beaver.
2. v. t. To dress with ornaments; to adorn; — said especially of horses.
3. n. An old term rather loosely used to designate various dark-colored, heavy igneous rocks, including especially the feldspathic-augitic rocks, basalt, dolerite, amygdaloid, etc., but including also some kinds of diorite. Called also trap rock.
4. a. Of or pertaining to trap rock; as, a trap dike.
5. n. A machine or contrivance that shuts suddenly, as with a spring, used for taking game or other animals; as, a trap for foxes.
6. n. Fig.: A snare; an ambush; a stratagem; any device by which one may be caught unawares.
7. n. A wooden instrument shaped somewhat like a shoe, used in the game of trapball. It consists of a pivoted arm on one end of which is placed the ball to be thrown into the air by striking the other end. Also, a machine for throwing into the air glass balls, clay pigeons, etc., to be shot at.
8. n. The game of trapball.
9. n. A bend, sag, or partitioned chamber, in a drain, soil pipe, sewer, etc., arranged so that the liquid contents form a seal which prevents passage of air or gas, but permits the flow of liquids.
10. n. A place in a water pipe, pump, etc., where air accumulates for want of an outlet.
11. 1v. i. 1 To set traps for game; to make a business of trapping game; as, to trap for beaver.
12. 1v. t. 1 To dress with ornaments; to adorn; — said especially of horses.

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.