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1. (n.) sperm whale
a large, square-headed, toothed whale, Physeter catodon, having a cavity in the head that contains sperm oil and spermaceti.
Etymology: (1825–35)
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| Definition of 'sperm whale' |
Princeton's WordNet |
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1. (noun) sperm whale, cachalot, black whale, Physeter catodon
large whale with a large cavity in the head containing spermaceti and oil; also a source of ambergris
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| Definition of 'sperm whale' |
Webster Dictionary |
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1. sperm whale
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
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| Definition of 'sperm whale' |
U.S. National Library of Medicine |
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1. sperm whale
The species Physeter catodon (also called Physeter macrocephalus), in the family Physeteridae. The common name is derived from the milky wax substance in its head (spermaceti). The species also produces an intestinal secretion AMBERGRIS, which was previously used in perfumes. The sperm whale is the largest toothed MAMMAL in the world.
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Definitions of sperm whale 
