The definition of a lanthorn is an old British word that is defined as lantern.
An example of a lanthorn is a portable lighting device which was made with reflectors which were made from translucent sheets of horn.
Origin of lanthornaltered by folk etymology ; from lantern, by associated, association with horn, material once used for the sides
Origin of lanthornAlteration (influenced by horn, of which the sides were once made) of lantern.
- (archaic) A lantern.