Luthern
Pronunciation : Lu"thern
Part of Speech : n.
Etymology : [F. lucarne a dormer, dormer window, garret window, L. lucerna lamp, fr. lucere to be light or clear, fr. lux light. See Light, n., and cf. Lucarne.] (Arch.)
Definition : Defn: A dormer window. See Dormer.
Source : Webster's Unabridged Dictionary, 1913