Home

Cite

Synonyms of air sac

Noun


1. alveolus, air sac, air cell, sac

usage: a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways

2. air sac, sac

usage: any of the thin-walled extensions of the tracheae of insects

3. air sac, sac

usage: any of the membranous air-filled extensions of the lungs of birds

WordNet 3.0 Copyright © 2006 by Princeton University.
All rights reserved.