One of four rearmost molars on each side of the upper and lower jaw in humans. Wisdom teeth are the last teeth to erupt, typically in early adulthood.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.