ce·le·ri·ac (sə-lîr'ē-āk', -lěr'-) n. An edible variety of celery (Apium graveolens var. rapaceum) cultivated for its swollen knobby root. Also called celery root, turnip-rooted celery.
[Alteration of celery.]
tur·nip-root·ed celery (tûr'nĭp-rōō'tĭd, -rŏŏt'ĭd) n. See celeriac.