The sperm whale (Physeter macrocephalus). This has in top of the mind a big hole, containing an oily substance, which, after death, concretes into a whitish crystalline compound called spermaceti. See sperm-whale.
A name regarding the sperm-whale, Physeter or Catodon macrocephalus, a big, toothed cetacean of household Physeteridæ or Catodontiæ, having teeth into the reduced jaw, and an enormous dull mind, in a cavity that spermaceti is contained, and sometimes attaining a length Of 80 foot.
plural The sperm-whales as a family of cetaceans; the Physeteridæ.
large whale with a sizable cavity inside mind containing spermaceti and oil; also a source of ambergris