any device that bears the weight of another thing

rest on or as if on a pillow

sit, as on a branch

put something in a resting position, as for support or steadying

a support for the arm

a rest on which a violinist can place the chin

a rest for the head

A stick with an arch-shaped head used in the game of snooker in order to elevate and support the tip of the cue above the height of the cue-ball.