Dictionary.net

Physiological changes that occur in bodies after death.

Corpse wax resulting from decomposition of animal matter in moist places.

A waxy substance from bodies long dead; grave-wax.

Grave-wax or corpse fat; a peculiar soft, white material consisting of a mixture of the fatty acids (especially palmitic acid) produced by the decomposition of animal matter under the influence of moisture without the access of air; discovered by Fourcroy in Paris in 1786. Regarded as a soap. Buried corpses have been found converted into it. [Lat.]

n. [French] A soft, waxy substance, into which the fibre of dead animal bodies is changed by immersion in water or spirit.