Definition of push-ups:
(n) :
An exercise done to improve upper body strength, performed by resting on one's toes and hands and pushing one's weight off the floor.
(adj) :
(fashion) Supporting the breasts to increase their apparent size.
(n) :
A push-up bra.
(adj) :
(fashion) Designed to be worn rolled up.
(v) :
To perform a push-up, or to lift oneself off the ground in a push-up–like manner.