(n.) 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.

Loch Ness monster alevin baleen whale beluga benthon benthos blackfish blue whale cachalot dolphin finback fingerling fish fry game fish grilse humpback killer killer whale kipper man-eater man-eating shark marine animal minnow minny narwhal nekton panfish plankton porpoise salmon sea monster sea pig sea serpent sea snake shark smolt sperm whale sponge sulfur-bottom whale tropical fish whale