WordNet (r) 3.0 (2006):
celery root n 1: grown for its thickened edible aromatic root [syn: celeriac, celery root, knob celery, root celery, turnip-rooted celery, Apium graveolens rapaceum] 2: thickened edible aromatic root of a variety of celery plant [syn: celeriac, celery root]