golf ball
Small ball used for playing golf that is about 1.68 in in diameter and weighs no more than 1.62 oz.
tee 
Small wood or plastic base; the ball is hit from it at the start of a hole.
dimple 
Small cavity in the ball’s cover that stabilizes the ball’s trajectory in flight.
cover 
Outer part of the ball that is pitted with dimples.
cross section of a golf ball 
core 
Middle part of the ball that can be solid (usually rubber) or liquid (usually water).
rubber thread 
Band that covers the core; it increases the bouncing ability of the ball and its hitting distance.
cover 
Outer part of the ball that is pitted with dimples.