a low spot in the rocks or sand that holds seawater when the tide is out.
a pocket of seawater isolated by the outgoing tide
a pool of seawater that forms within a dip or crevice along a reef or rocky shore when the tide flows back out
a spot where a pool of ocean water remains at low tide
a pool of water left on a rocky seashore after the tide has gone down
A pool of water left along the shore as the tide level falls.
Tide pools (also tidal pools or rock pools) are rocky pools by oceans that are filled with seawater. Tide pools can either be small and shallow or large and deep. The small ones are usually found far back on the shore and the large ones are found nearer to the ocean.