[ 'ʌŋ(k)ʃ(ə)n ]
■ noun
1》 formal the action of anointing someone with oil or ointment as a religious rite or as a symbol of investiture as a monarch.
↘short for extreme ~ .
2》 archaic treatment with a medicinal oil or ointment.
↘an ointment.
3》 a fervent manner of expression apparently arising from deep emotion, especially when assumed.
Origin
ME: from L. unctio(n-) , from unguere 'anoint'.