bone oil

Noun bone oil has 2 senses

• bone oil(n = noun.substance) - the liquid portion of bone fat; used as a lubricant and in leather manufacture;
is a kind of animal oil
is a part of bone fat

• bone oil(n = noun.substance) dippel's oil - dark-colored ill-smelling oil obtained by carbonizing bone; used especially in sheep dips and in denaturing alcohol;
is a kind of animal oil