Ambergris

n. substance obtained from sperm whale used in perfumery

Ambergris (Ambra grisea, Ambre gris, ambergrease, or grey amber) is a solid, waxy, flammable substance of a dull grey or blackish color, with the shades being variegated like marble. It possesses a peculiar sweet, earthy odor similar to isopropyl alcohol. Now largely replaced by synthetics, it is still used as a fixative in perfumery.
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Ambergris a solid, gray intestinal concretion of sperm whales. It has an unpleasant odor but is very valuable in the formulation of expensive [more]Ambergris - Community and Resources

Noun
1. waxy substance secreted by the sperm whale and found floating at sea or washed ashore; used in perfume
(hypernym) animal product

(n.)
A substance of the consistence of wax, found floating in the Indian Ocean and other parts of the tropics, and also as a morbid secretion in the intestines of the sperm whale (Physeter macrocephalus), which is believed to be in all cases its true origin. In color it is white, ash-gray, yellow, or black, and often variegated like marble. The floating masses are sometimes from sixty to two hundred and twenty-five pounds in weight. It is wholly volatilized as a white vapor at 212¡ Fahrenheit, and is highly valued in perfumery.