/ ˌɒnəˈreəriəm; NAmE ˌɑːnəˈrer-/ noun
( pl. hon·or·aria / -riə; NAmE /) ( formal ) a payment made for sb's professional services
HELP NOTE : Use an , not a , before honorarium .
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WORD ORIGIN
mid 17th cent.: from Latin , denoting a gift made on being admitted to public office, from honorarius , from honor honour.