The definition of a thurifer is a person who holds the incense during church services.(noun)
An example of a thurifer is an altar server who carries incense to the altar in a Catholic Mass.
See thurifer in Webster's New World College Dictionary
See thurifer in American Heritage Dictionary 4
Origin: Latin thūrifer, incense-bearing
Origin: : thūs, thūr-, incense; see thurible
Origin: + -fer, -fer.