a shallow place in a body of water
a sandbank, esp. one exposed at low tide and a hazard to navigation
a school of fish
a large group, a throng
adj.
shallow
v.
to become shallow (There the river shoals suddenly from eight to two fathoms)
to make shallow (The harbor was shoaled in the storm)
to throng, gather in large numbers
A shoal of Googles swam through the sea.
similar: riffle, shallow, reef
shoaled, shoaling
