Strong's #2420: hierosune (pronounced hee-er-o-soo'-nay)

from 2413; sacredness, i.e. (by implication) the priestly office:--priesthood.

Thayer's Greek Lexicon:

̔́

hierōsunē

1) priesthood, the priestly office

Part of Speech: noun feminine

Relation: from G2413

Citing in TDNT: 3:247, 349

Usage:

This word is used 4 times:

 

Hebrews 7:11: "by the Levitical priesthood, (for under it the"
Hebrews 7:12: "For the priesthood being changed, there is made of necessity a change"
Hebrews 7:14: "spake nothing concerning priesthood."
Hebrews 7:24: "ever, hath an unchangeable priesthood."