Luthern
CIDE DICTIONARY
Luthern,
n. [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.].
A dormer window. See
Dormer. [
1913 Webster]
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Luthern" in Webster Dictionary Online