Luxuriant \Lux*u"ri*ant\, a. [L. luxurians, p. pr. of luxuriare: cf. F. luxuriant. See Luxuriate.]

Exuberant in growth; rank; excessive; very abundant; as, a luxuriant growth of grass; luxuriant foliage.

Prune the luxuriant, the uncouth refine. --Pope.

Luxuriant flower (Bot.), one in which the floral envelopes are overdeveloped at the expense of the essential organs.

Source: Webster's Revised Unabridged Dictionary (1913)