human being

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A human.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A person; a large sapient, bipedal primate, with notably less hair than others of that order, of the species Homo sapiens.
• noun Another, extinct member of the genus Homo.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun any living or extinct member of the family Hominidae characterized by superior intelligence, articulate speech, and erect carriage