'Dedicated' in the Bible

‘But if a man dies very suddenly beside him and he defiles his dedicated head of hair, then he shall shave his head on the day when he becomes clean; he shall shave it on the seventh day.

The Nazirite shall then shave his dedicated head of hair at the doorway of the tent of meeting, and take the dedicated hair of his head and put it on the fire which is under the sacrifice of peace offerings.

The priest shall take the ram’s shoulder when it has been boiled, and one unleavened cake out of the basket and one unleavened wafer, and shall put them on the hands of the Nazirite after he has shaved his dedicated hair.

Behold, I Myself have taken your fellow Levites from among the sons of Israel; they are a gift to you, dedicated to the Lord, to perform the service for the tent of meeting.