The devoting or setting apart of anything to the worship or service of God. The race of Abraham and the tribe of Levi were thus consecrated (Exodus 13:2, 12, 15; Numbers 3:12). The Hebrews devoted their fields and cattle, and sometimes the spoils of war, to the Lord (Leviticus 27:28, 29). According to the Mosaic law the first-born both of man and beast were consecrated to God.

In the New Testament, Christians are regarded as consecrated to the Lord (1 Peter 2:9).

Noah Webster's New International Dictionary of the English Language

(n.) The act or ceremony of consecrating; the state of being consecrated; dedication.