- a trap for catching animals, consisting of spring-operated steel jaws with sharp projections that clamp shut.
Origin of steel trap
First recorded in 1725–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for steel trap
There he set his steel-trap, and another which he borrowed of a neighbor.
Can't be humbugged, and keeps a secret as a steel-trap holds a rat.Shoulder-Straps
The steel-trap it avoids, no matter how concealed; and the cage-trap has been found “no go.”The Hunters' Feast
She's smarter'n a steel-trap, and might have been a lawyer herself.
I at least admire her audacity and her steel-trap quickness of mind.The Prairie Child