definition ambergris
Ambergris from the North Sea. Ambergris (/ËÃ¦mbÉrÉ¡riËs/ or /ËÃ¦mbÉrÉ¡rÉªs/, Latin: ambra grisea, Old French: ambre gris), ambergrease or grey amber, is a solid, waxy, flammable substance of a dull grey or blackish colour, produced in the digestive system of sperm whales. Freshly-produced ambergris has a marine, fecal odour.