Rise and fall in sea level (4)
I believe the answer is:
tide
(Other definitions for tide that I've seen before include "What might carry" , "Something going in and out" , "Movement of seawater" , "Surge of events" , "Season; current" .)
I believe the answer is:
tide
(Other definitions for tide that I've seen before include "What might carry" , "Something going in and out" , "Movement of seawater" , "Surge of events" , "Season; current" .)