LYCOPODIUM
Lycopodium, genus Lycopodium
(noun) type and sole genus of the Lycopodiaceae; erect or creeping evergreen plants often used for Christmas decorations
Source: WordNet® 3.1
Etymology
Noun
lycopodium (plural lycopodiums or lycopodia)
club moss
Source: Wiktionary
Ly`co*po"di*um, n. Etym: [NL., from Gr. (Bot.)
Definition: A genus of mosslike plants, the type of the order Lycopodiaceæ;
club moss. 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.
Source: Webster’s Unabridged Dictionary 1913 Edition