club moss \club" moss`\, clubmoss \clubmoss\n. (Bot.)
a primitive evergreen mosslike plant with spores in
club-shaped strobiles, much used in winter decoration. The
best known species is {Lycopodium clavatum}, but other
{Lycopodia} are often called by this name. The spores form a
highly inflammable powder.
Syn: club moss, lycopod.
[1913 Webster + WordNet 1.5]