The premolar teeth, or bicuspids, are transitional teeth located between the canine and molar teeth. In humans, there are two premolars per quadrant in the permanent set of teeth, making eight premolars total in the mouth. They have at least two cusps. Premolars can be considered as a `transitional tooth` during chewing, or mastication. It has p..... Found on http://en.wikipedia.org/wiki/Premolar
(from the article `primate`) The trend in the evolution of the cheek teeth has been to increase the number of cusps and reduce the number of teeth. Both molars and premolars show ... Found on http://www.britannica.com/eb/a-z/p/108
Pre·mo'lar adjective (Anat.) Situated in front of the molar teeth. -- noun An anterior molar tooth which has replaced a deciduous molar. See Tooth . Found on http://www.encyclo.co.uk/webster/P/151
Designating or pertaining to one of the teeth (a maximum of 4 on each side of upper jaw and lower jaw of placental mammals, or 16 in all) in front of the true molars. When canine teeth are present, premolars are behind these teeth; premolars are preceded by deciduous teeth, and in the upper jaw are confined to the maxillary bone. Found on https://www.utep.edu/leb/keys/glossary.htm