'Sacrificing' in the Bible

And the custom of the priests with the people is: any man sacrificing a sacrifice -- then hath the servant of the priest come in when the flesh is boiling, and the hook of three teeth in his hand,

Also before they make perfume with the fat -- then hath the priest's servant come in, and said to the man who is sacrificing, 'Give flesh to roast for the priest, and he doth not take of thee flesh boiled, but raw;'