GREASE

gres (chelebh, "fat," "suet"): The word occurs once in the metaphorical sense "prosperous," then dull, gross, brutal: "Their heart is as fat as grease" (Psalms 119:70; compare Isaiah 6:10, and see FAT ).

From the International Standard Bible Encyclopedia
Edited by James Orr, published in 1939 by Wm. B. Eerdmans Publishing Co.