stairs leading to a trapdoor

(informal) An event or mindset that can cause a person to lose enthusiasm and become discouraged from starting or continuing a project.

A kind of bell-shaped stench trap.

plural of rattle trap

plural of evolutionary trap

(biology, evolutionary biology) The situation of an evolved behaviour or trait of a species becoming detrimental to the survival or reproductive ability of individuals, possibly leading to extinction.

plural of rat trap

(literally) A cage containing a banana with a hole large enough for a monkey's hand to fit in, but not large enough for a monkey's fist (clutching a banana) to come out; anecdotally used to catch monkeys that lack the intellect to let go of the banana and run away.

present participle of booby-trap

plural of booby-trap