Meaning of barotrauma

bar•o•trau•ma

Pronunciation: (bar"u-trou'mu, -trô'-), [key]
— pl. -ma•ta -mas.
  1. injury of certain organs, esp. the ear, due to a change in the atmospheric pressure. Cf. aerotitis media.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.