spermaceti

1. Large whale with a large cavity in the head containing spermaceti and oil; also a source of ambergris.
   脑袋中有一个含鲸油及鲸蜡的大空腔的大型鲸；也是龙涎香的来源。
2. Their heads also hold large quantities of a substance called spermaceti.
   它们的大脑中还有大量的一种被称做鲸脑的物质。
3. A cerate made of camphor and wax and spermaceti and castor oil.
   一种用樟脑、鲸油、蓖麻油和蜡混合而成的蜡膏。
4. Whalers once believed that the oily fluid was sperm, but scientists still do not understand the function of spermaceti.
   捕鲸的人们一度认为这样油样的液体是精液，但科学家们至今还不清楚它的作用是什么。

noun

1. a white waxy substance from oil of the sperm whale