Wordnet 3.0
NOUN (2)
1. widely cultivated herb with aromatic leaf stalks that are eaten raw or cooked;
[syn: celery, cultivated celery, Apium graveolens dulce]
2. stalks eaten raw or cooked or used as seasoning;
The Collaborative International Dictionary of English v.0.48:
Smallage \Small"age\, n. [Small + F. ache smallage. See Ach parsley.] (Bot.) A biennial umbelliferous plant (Apium graveolens) native of the seacoats of Europe and Asia. When deprived of its acrid and even poisonous properties by cultivation, it becomes celery. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Apiaceae \Apiaceae\ prop. n. A natural family of plants bearing flowers in umbels; examples are: parsley; carrot; anise; caraway; celery; dill. Syn: Umbelliferae, family Umbelliferae, family Apiaceae, carrot family [WordNet 1.5]The Collaborative International Dictionary of English v.0.48:
Celery \Cel"er*y\, n. [F. c['e]leri, cf. Prov. It. seleno, seler; fr. Gr. ? parsley, in Lgr. & NGr. celery. Cf. Parsley.] (Bot.) A plant of the Parsley family (Apium graveolens), of which the blanched leafstalks are used as a salad. [1913 Webster]

