a place where a sea, river, or other body of water is shallow.

a sandbank or sand bar in the bed of a body of water, esp. one that is exposed above the surface of the water at low tide.

of little depth, as water; shallow.

to become shallow or more shallow.

to cause to become shallow.

Nautical . to sail so as to lessen the depth of (the water under a vessel).

noun

shallow , bank , bar , bar.--a. shallow , crowd , flock , group , horde , mass , reef , sandbank , sandbar , school