Hŷ-pĕr'i-cŭm, n.

n. [Lat., Gr. ὑπέρικον, ὑπέρεικον, from ὑπό, under, and ἐρείκη, ἐρίκη, Lat. erice, N. Lat. erica, heath, heather, because it grows amongst it.] (Bot.) A plant of a shrubby nature, generally with dotted leaves, and usually yellow flowers; — called also St. John's wort. Loudon.