'Physeter macrocephalus' definitions:

Definition of 'Physeter macrocephalus'

From: GCIDE
  • Sperm whale \Sperm" whale`\ (Zool.) A very large toothed whale (Physeter macrocephalus), having a head of enormous size. The upper jaw is destitute of teeth. In the upper part of the head, above the skull, there is a large cavity, or case, filled with oil and spermaceti. This whale sometimes grows to the length of more than eighty feet. It is found in the warmer parts of all the oceans. Called also cachalot, and spermaceti whale. [1913 Webster]
  • Pygmy sperm whale (Zool.), a small whale ({Kogia breviceps}), seldom twenty feet long, native of tropical seas, but occasionally found on the American coast. Called also snub-nosed cachalot.
  • Sperm-whale porpoise (Zool.), a toothed cetacean (Hyperoodon bidens), found on both sides of the Atlantic and valued for its oil. The adult becomes about twenty-five feet long, and its head is very large and thick. Called also bottle-nosed whale. [1913 Webster]

Definition of 'Physeter macrocephalus'

From: GCIDE
  • Physeter \Phy*se"ter\ (f[imac]*s[=e]"t[~e]r), n. [L., fr. Gr. fyshth`r, fr. fysa^n to blow: cf. F. phys['e]t[`e]re.] [capitalized]
  • 1. (Zool.) The genus that includes the sperm whale ({Physeter macrocephalus}). [1913 Webster]
  • 2. A filtering machine operated by air pressure. [1913 Webster]

Definition of 'Physeter macrocephalus'

From: GCIDE
  • cachalot \cach"a*lot\, n. [F. cachalot.] (Zool.) 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]