degras
noun
de·gras
dāˈgrä
plural degras
-äz
1
a
: a fatty substance obtained by pressing certain skins following the action of oxidized fish oil on them and used in dressing leather
called also moellon
see sod oil b
: a mixture of this substance with other fats or fatty oils (as fish oils) or sometimes wool grease
2
: wool grease
Word History
Etymology
French dégras, back-formation (influenced by gras fat, from Latin crassus thick, fat) from dégraisser to remove the fat from, from Middle French desgresser, from des-, de- de- + gresse, graisse fat, grease