Lycopodium \Ly`co*po"di*um\, n. [NL., from Gr. ? wolf + ?, ?, a foot.]

(Bot.) A genus of mosslike plants, the type of the order Lycopodiace[ae]; club moss.

Lycopodium powder, a fine powder or dust composed of the spores of Lycopodium, and other plants of the order Lycopodiace[ae]. It is highly inflammable, and is sometimes used in the manufacture of fireworks, and the artificial representation of lightning.

Source: Webster's Revised Unabridged Dictionary (1913)