Lycopodium, n. [NL., from Gr. wolf + , , a foot.].
Lycopodium powder, a fine powder or dust composed of the spores of Lycopodium, and other plants of the order Lycopodiaceæ. It is highly inflammable, and is sometimes used in the manufacture of fireworks, and the artificial representation of lightning.
A genus of mosslike plants, the type of the order Lycopodiaceæ; club moss. [1913 Webster]