Vervain
Pronunciation : Ver"vain
Part of Speech : n.
Etymology : [OE. verveine, F. verveine, fr. L. verbena, pl. verbenae sacred boughs of laurel, olive, or myrtle, a class of plants; cf. verbenaca vervain. Cf. Verbena.] (Bot.)
Definition : Defn: Any plant of the genus Verbena. Vervain mallow (Bot.), a species of mallow (Malva Alcea) with rose-colored flowers.
Source : Webster's Unabridged Dictionary, 1913