To hug with the arms, or support by taking the arm of.
The armpit.
To perform a push-up, or to lift oneself off the ground in a push-up-like manner.
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.
A push-up bra.
Supporting the breasts to increase their apparent size.
Designed to be worn rolled up.