or having two cusps. The first and second bicuspids; they are the fourth and fifth teeth from the center of the mouth, respectively. These are the back teeth that are used for chewing.
Found on http://www.cosmeticdentistryguide.co.uk/glossary.html
The first and second bicuspids, those are the fourth and fifth teeth from the center of the mouth to the back of the mouth. These are the back teeth that are used for chewing, they only have two points (cusps). Found on https://www.encyclo.co.uk/local/22242