Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
- a hart's antler
- Now Rare ammonium carbonate, used in smelling salts; sal volatile: so called because formerly obtained from deers' antlers
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- The antler of a hart, formerly used as a source of ammonia and in smelling salts.
- Ammonium carbonate.