bladder

(noun, verb)

noun

1. a distensible membranous sac (usually containing liquid or gas)

Similar word(s): vesica

Definition categories: body, sac

2. a bag that fills with air

Definition categories: man–made, bag

verb

1. To swell out like a bladder with air; to inflate.

2. (transitive) To store or put up in bladders.

- bladdered lard