What is the Latin word for air-bladder?

The usual Latin words for “air-bladder” are vēsīca, bulla. The right choice depends on the sense; see the distinctions below.

English → Latin

“air-bladder” in Latin

vēsīcabladder, urinary bladder bullaa bubble; a papal bull or other official document sealed with a bulla

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

air-bladder

vesica (general term for bladder): *vesica super quam nant (for swimming with: after Curt., 8, 8, 6): bulla (bubble in the water).

Quick answer

What is the Latin word for air-bladder?: The usual Latin words for “air-bladder” are vēsīca, bulla. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.