to beat (somebody or something) persistently or hard so as to bruise, injure, shatter, or demolish them

to wear or damage (something) by hard usage or blows

a battered old hat

(+ on/at) to strike heavily and repeatedly; to break or damage with heavy persistent blows beat

She was battering at the door but nobody was in

a mixture that consists essentially of flour, egg, and milk or water, used for coating fish, making pancakes, etc, and is thin enough to pour or drop from a spoon: compare dough

batter mixture, e.g. the kind used for coating fish, when cooked