Lepidodendron
Pronunciation : Lep`i*do*den"dron
Part of Speech : n.
Etymology : [NL., fr. Gr. (Paleon.)
Definition : Defn: A genus of fossil trees of the Devonian and Carboniferous ages, having the exterior marked with scars, mostly in quincunx order, produced by the separation of the leafstalks.
Source : Webster's Unabridged Dictionary, 1913