||Lep`i*do*den"dron (-dr&obreve;n), n. [NL., fr. Gr. lepi`s -i`dos, a scale + de`ndron tree.] (Paleon.) 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.