INUNCTION Meaning of INUNCTION in English [ ɪ'nʌŋ(k)ʃ(ə)n ]■ noun chiefly Medicine the rubbing of ointment or oil into the skin.OriginC15: from L. inunctio(n-) , from inunguere 'smear on'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004