Trap

A trap is a device intended to cause harm, capture, detect, or inconvenience an intruder.

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• Trapping - traps designed to capture or kill an animal to obtain their fur.
• Insect trap - traps designed to capture insects
• Booby trap - an antipersonnel device designed to trap, kill or harm unsuspecting or foolish humans.
• Ambush - a situation designed to surprise an enemy, often by luring them into a vulnerable situation.
• In role-playing games, traps may be randomly scattered as obstacles in dungeons.
• In programming, a trap can refer to code designed to capture errors and reveal where they are.
• In networking a bot trap is a script designed to identify and block bots that disobey the restrictions on a server.
• In geology, a trap is a rock formation in which water, salt or hydrocarbons may collect
• In plumbing, a trap is a U shaped pipe located below a drain. The bend in the pipe reserves a small amount of water, preventing the escape of sewer gases.
• a trap can also be a statement or question phrased in such a way that any valid answer or reply would imply something the responder does not intend.
• In computing, a trap is a processor-generated exception, usually resulting in a switch into kernel mode.
• In shooting, trap is an activity similar to skeet which involves shooting clay pigeons - the device which launches the clays is also referred to as a "trap".
• In Horseriding, a "trap" refers to the device which attaches a carriage to a pony.
• In bodybuilding, the trap is usually the nickname for the trapezius muscle.
• In the illegal narcotics industry a "trap" is an area where drugs are bought and sold in an open-air street market. Also see "trapping"

Generally, a device which detects an intruder, or is designed to inconvenience or restrict an intruder may also be referred to as a "trap".

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