mo·lar 2 
(mōlər)
(mōlər)n.
A tooth with a broad crown used to grind food, located behind the premolars.
adj.
1. Relating to the molars.
2. Capable of grinding.
[From Middle English molares, molars, from Latin molāris, belonging to a mill, grinder, molar, from mola, millstone; see melə- in the Appendix of Indo-European roots.]