Webster's Revised Unabridged Dictionary · 1913

Verbena

Verbena , noun

[L. See Vervain.]

(Botany) A genus of herbaceous plants of which several species are extensively cultivated for the great beauty of their flowers; vervain.

Verbena, or vervain, was used by the Greeks, the Romans, and the Druids, in their sacred rites. Brewer.

Collocations (2)
Essence of verbena or Oil of verbena , a perfume prepared from the lemon verbena; also, a similar perfume properly called grass oil. See Grass oil, under Grass.
Lemon verbena or Sweet verbena , a shrubby verbenaceous plant (Lippia citriodora), with narrow leaves which exhale a pleasant, lemonlike fragrance when crushed.