Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
that does not burn or is not easily destroyed by fire
to make fireproof
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.
Impervious or resistant to damage by fire.transitive verb fire·proofed, fire·proof·ing, fire·proofs
To make fireproof.