Emily Dickinson Lexicon

FAT, n.¹

1. An oily concrete substance, deposited in the cells of the adipose or cellular membrane of animal bodies. In most parts of the body, the fat lies immediately under the skin. Fat is of various degrees of consistence, as in tallow, lard and oil. It has been recently ascertained to consist of two substances, stearine and elaine, the former of which is solid, the latter liquid, at common temperatures, and on the different proportions of which its degree of consistence depends. Encyc. Brande.
2. The best or richest part of a thing. Abel brought of the fat of his flock. Gen. iv.