a staff of wood or metal used typically fitting under the armpit to support an injured disabled person in walking
any prop or support
a device commonly resorted to as a crutch for a lame argument
the crotch of an animal or human
I clapt my hand under his crutch and … pitched him head-foremost into the river — Benjamin Franklin
the crotch, or the part of a garment that covers it the human crotch
[Old English crycc]