n. an umbelliferous plant, Apium graveolens, with closely packed succulent leaf-stalks used as a vegetable.
Phrases and idioms:
celery pine an Australasian tree, Phyllocladus trichomanoides, with branchlets like celery leaves.
Etymology: F c{eacute}leri f. It. dial. selleri f. L selinum f. Gk selinon parsley