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

Alternative form of beartrap

plural of bear trap

plural of sun trap

(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.

plural of Penning trap

plural of tank trap

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