Wash is a four letter word meaning "to clean with water".
swim?
tide
A four letter word starting with the letter a is able.
A four letter word for 'in addition to' is also.
Wash is a four letter word meaning "to clean with water".
Wash is a four letter word meaning "to clean with water".
A "bay" is a small protected body of water that is a four-letter word.
scum
best
fish
Flow or tide
Sink
swim?
tide
Wash.
One possibility is the word pipe. For example, water flows threw pipes.