A circular band or ring

• A band binding a barrel, keg, or similar vessel
• A frame ring like an embroidery hoop or hula hoop

The rim of a basketball basket

Basketball, chiefly in the plural hoops (informal)

A circular earring

A horizontal stripe on a sports jersey (usually plural)

An obstacle or requirement that must be overcome, usually plural

To bind or fasten with a hoop

• To encircle or surround

To play basketball (slang)