The definition of a cresset is a metal cup on a pole that holds oil for burning and is used as a torch.(noun)
An example of a cresset is an outdoor lighting fixture.
See cresset in Webster's New World College Dictionary
Origin: ME < OFr craisset < craisse: see grease
See cresset in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Old French
Origin: , alteration of croisuel
Origin: , probably from Vulgar Latin *croceolus, small lamp.