Definition of "celeriac" [ce•le•ri•ac]

• An edible variety of celery (Apium graveolens var. rapaceum) cultivated for its swollen knobby root. Also called celery root, turnip-rooted celery. (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.

• "Celeriac or celery root (Apium graveolens var. rapaceum): more and more, American supermarkets carry celeriac, which is grown for its bulbous root."
• "Celery root, also called celeriac or celery knob, is a turnip-rooted celery used extensively in France for flavoring much as we use celery."
• "The ash extenuates its smoky flavours but the celeriac is the mere supporting cast for our star, the wildly irresistible boar."