bladder

Definition

A flexible sac that can expand and contract and that holds liquids or gases.

Etymology

From Middle English bladdre, bleddre, bladder, bledder, from Old English blæddre, a variant of blǣdre, blēdre (“blister, bladder”), from Proto-West Germanic *blādrā, from Proto-Germanic *blēdrǭ, *bladrǭ (“blister, bladder”).

Example Sentences

• "a fuel bladder"
• "to swim with bladders of philosophy"