- Having lips or liplike parts. (adjective)
- Botany Having or characterizing flowers with the corolla divided into two liplike parts, as in the snapdragon. (adjective)
- Botany Of or belonging to the mint family Labiatae. (adjective)
- A plant belonging to the Labiatae. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.