Is batter a verb

Batter, as in "to hit someone constantly" or "to make battered fish" is a verb.

Batter as in the ingredient used in foods is a noun.

A verb is a Word that describes an action (run, walk, etc), a state of being (exist, stand, etc) or occurrence (happen, become, etc).

A noun is a Word that is used to describe a person (man, lady, teacher, etc), place (home, city, beach, etc) or thing (car, banana, book, etc).