Dictionary of Biblical Words:
In the Old Testament priests were consecrated (Lev. 8); in the New, Christ is consecrated a priest for evermore (Heb. 7:28), and He has consecrated for us a way into the holiest (Heb. 10:20). The word is now often used to express entire devotion or self dedication (Rom. 12:1).
Strong’s Dictionary of Hebrew Words:
Meaning:
from 4390; a fulfilling (only in plural), i.e. (literally) a setting (of gems), or (technically) consecration (also concretely, a dedicatory sacrifice)
KJV Usage:
consecration, be set