ebb

1. The receding movement of the tide.

   The boats will go out on the ebb.

2. A gradual decline.
3. A low state; a state of depression.
4. A European bunting, the corn bunting (Emberiza calandra, syns. Emberiza miliaria, Milaria calandra).

1. To flow back or recede

   The tides ebbed at noon.

2. To fall away or decline

   The dying man's strength ebbed away.

3. To fish with stakes and nets that serve to prevent the fish from getting back into the sea with the ebb
4. To cause to flow back.

adjective

Low, shallow