from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A masklike device placed over the mouth and nose and through which oxygen is supplied from an attached storage tank.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A plastic or rubber mask through which oxygen may be breathed from a storage tank.

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

  • n. a breathing device that is placed over the mouth and nose; supplies oxygen from an attached storage tank


Sorry, no etymologies found.


Sorry, no example sentences found.

Wordnik is becoming a not-for-profit! Read our announcement here.


Log in or sign up to get involved in the conversation. It's quick and easy.