Real Dictionary

trap
A trap is an unpleasant situation that you cannot easily escape from.
countable noun: A trap is a device which is placed somewhere or a hole which is dug somewhere in order to catch animals or birds.
countable noun: A trap is a trick that is intended to catch or deceive someone.
verb: If a person traps animals or birds, he or she catches them using traps.
verb: If you are trapped somewhere, something falls onto you or blocks your way and prevents you from moving or escaping.
verb: If you trap someone into doing or saying something, you trick them so that they do or say it, although they did not want to.
verb: To trap someone, especially a criminal, means to capture them.
verb: When something traps gas, water, or energy, it prevents it from escaping.

trap in American English 1
any device for catching animals, as one that snaps shut tightly when stepped on, or a pitfall; gin, snare, etc.
to catch in or as in a trap; entrap
intransitive verb: to set traps for game
noun: a contrivance used for catching game or other animals, as a mechanical device that springs shut suddenly
transitive verb: to catch in a trap; ensnare

trap in American English 2
any of several dark-colored, usually fine-grained, extrusive igneous rocks; esp., such a rock, as basalt, used in road making
noun

trap in American English 3
an ornamental covering for a horse
to cover, equip, or adorn with trappings; caparison
noun: any of various fine-grained, dark-colored igneous rocks having a more or less columnar structure, esp. some form of basalt

trap in American English 4
noun: a ladder or ladderlike device used to reach a loft, attic, etc

trap in British English 1
noun: a mechanical device or enclosed place or pit in which something, esp an animal, is caught or penned
verb: to catch, take, or pen in or as if in a trap; entrap

trap in British English 2
noun

trap in British English 3
noun: any fine-grained often columnar dark igneous rock, esp basalt

trap in British English 4
noun

trap in the Oil and Gas Industry
noun: A trap is an arrangement of rocks which can contain hydrocarbons, and is sealed by an impermeable formation which the hydrocarbons will not pass through.