human (nom)
Sens 1 : a member of the primate genus Homo, especially a
member of the species Homo sapiens, distinguished from other apes by a large brain
and the capacity for speech. [source : AHD]
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Sens 2 : any living or extinct member of the family
Hominidae characterized by superior intelligence, articulate speech, and erect
carriage. [source : WN]