(management) The risk of employees spending significant effort looking busy with an activity at the expense of measuring progress toward what the activity is ultimately supposed to achieve.

Alternative spelling of rattletrap

A maker of traps

A drum kit

plural of trap maker

(Cockney rhyming slang) Crap; rubbish, nonsense. / (Cockney rhyming slang) Excrement; the act of defecation. / Used other than figuratively or idiomatically: see pony, trap.

(Cockney rhyming slang) Of little worth; crap.

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

A roadside location, manned by police or similar officials, where a device that emits a radar beam is used to monitor the speeds of motor vehicles in order to apprehend motorists in violation of the speed limit.

(chiefly US) A situation where the welfare system discourages people who receive government public assistance payments from entering low-paid work because such work does not produce a significant income increase.