a. Bot. [f. mod.L. Lycopodiāce-æ + -OUS.] Pertaining to the N. O. Lycopodiacæ, of which LYCOPODIUM is the typical genus.
1852. Th. Ross, Humboldts Trav., I. xiii. 428. Lycopodiaceous plants and mosses.
1892. Natural Sci., March, 57. A gigantic aquatic Lycopodiaceous plant.