ăpĭum, ii, n. [apis], parsley, esp. liked by bees; an umbelliferous plant of several species (mountain-parsley, celery, etc.), Plin. 19, 8, 37, § 123 sq. The leaves of one species (water-parsley, our celery, the Apium graveolens, Linn.), were often used by the ancients for garlands, on account of their strong fragrance, Verg. E. 6, 68 Voss., esp. in drinking-bouts: vivax, that long remains green, Hor. C. 1, 36, 16; so id. ib. 2, 7, 24; 4, 11, 3 (cf. Theoc. 3, 23); and, among the Greeks, given as a prize to the victors in the Isthmian and Nemean games, Juv. 8, 226; cf. Plin. 19, 8, 46, § 158; Juv. 8, 226; Hyg. Fab. 74.