spermaceti


spermaceti
spermaceti [spʉr΄mə sēt′ī΄, spʉr΄məsēt′ē; spʉr΄məset′ī, spʉr′məset′ē]
n.
[ML sperma ceti, lit., whale sperm < LL sperma,SPERM1 + L ceti, gen. of cetus, whale < Gr kētos]
a white, waxlike substance taken from the oil in the head of a sperm whale or dolphin, used in making cosmetics, ointments, candles, etc.

English World dictionary. . 2014.