Found 2 items, similar to spermaceti.
English → English (WordNet) Definition: spermaceti spermaceti n : a white waxy substance from oil of the sperm whale
English → English (gcide) Definition: spermaceti cachalot \cach"a*lot\, n. [F. cachalot.] (Zo["o]l.) The sperm whale (Physeter macrocephalus). It has in the top of its head a large cavity, containing an oily fluid, which, after death, concretes into a whitish crystalline substance called spermaceti. See Sperm whale. [1913 Webster]