Read the dictionary definition of EBB. All definitions for this word.
1. the outward flow of the tide
2. a gradual decline (in size or strength or power or number)
3. fall away or decline
1. The patient's strength ebbed away
4. hem in fish with stakes and nets so as to prevent them from going back into the sea with the ebb
5. flow back or recede
1. the tides ebbed at noon