n.
One of eight bicuspid teeth located in pairs on each side of the upper and lower jaws behind the canines and in front of the molars.
premolar pre·mo'lar adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.