The definition of a lampion is a small oil lamp with a colored glass chimney.(noun)
An example of lampion is what guests may carry on an outdoor tour through a colonial exhibit village at night.
See lampion in Webster's New World College Dictionary
Origin: Fr < It lampione < lampa, a lamp < OFr lampe, lamp
See lampion in American Heritage Dictionary 4
Origin: , from Italian lampione
Origin: , augmentative of lampa, lamp
Origin: , from Old French lampe; see lamp.