Strong's #6309: peder (pronounced peh'der)
from an unused root meaning to be greasy; suet:--fat.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
peder
1) fat, suet
Part of Speech: noun masculine
Relation: from an unused root meaning to be greasy
Usage:
This word is used 3 times:
Leviticus 1:8: "the parts, the head, and the fat, in order upon the wood that is on"
Leviticus 1:12: "it into his pieces, with his head and his fat: and the priest shall lay them in order on"
Leviticus 8:20: "the head, and the pieces, and the fat."