A drum kit

A self-reinforcing cycle which allows poverty to persist.

A form of igneous rock that tends to form polygonal vertical fractures.

(dated) A knot tied in a tuft of grass, intended to trip another person as a prank.

Alternative form of beartrap

(shooting) An event in which two clay targets are simultaneously released in front of the shooter.

Synonym of lobster pot

A device for the storage of charged particles using a homogeneous static magnetic field and a spatially inhomogeneous static electric field.

(military) Anything placed to impede the movement of tanks, such as caltrops, mines, or depressions in the ground.

(Cockney rhyming slang) Of little worth; crap.