Fat — (Heb. heleb denotes the richest part of the animal, or the fattest of the flock, in the account of Abel’s sacrifice (Gen. 4:4). It sometimes denotes the best of any production (Gen. 45:18; Num. 18:12; Ps. 81:16). The fat of sacrifices was to be burned (Lev. 3:9–11; 4:8; 7:3; 8:25; Num. 18:17. Comp. Ex. 29:13–22; Lev. 3:3–5).
It is used figuratively for a dull, stupid state of mind (Ps 17:10).