:a support typically fitting under the armpit for use by the disabled in walking
:a source or means of support or assistance that is relied on heavily or excessively
- They refuse to take any pills. They don't want to use drugs as a crutch.
- —Maya Pines
- Even many atheists would agree that believing that God cares about you or that your life is part of a cosmic plan can be a powerful source of hope (or, to put it pejoratively, a crutch).
- —Virginia Postrel
:a forked leg rest constituting the pommel of a sidesaddle
:the crotch of a human being or an animal