a trap for mice, esp. one consisting of a rectangular wooden base on which a metal spring is mounted.

a device, machine, or the like whose structure or function suggests a trap for mice.

a device, system, or stratagem for detecting and catching someone in an unauthorized or illegal act.

Football . trap 1 ( def. 11 ) .

Informal .

to trap or snare

traffic cops mousetrapping drunken drivers.

to manipulate by devious or clever means; trick or outwit

to mousetrap the witness into a contradiction.

Football . trap 1 ( def. 20 ) . ?

build a better mousetrap

to make or offer a superior product.