1. relating to or situated in the middle, especially toward the midline of the body
Usage: medical; anatomical
2. relating to the surface of a tooth that faces toward the front of the mouth
Usage: dental; technical

Examples

• The mesial surface of the tooth showed signs of decay.
• The surgeon made an incision along the mesial aspect of the limb.
• Dental hygienists clean both the mesial and distal surfaces of each tooth.
• The mesial root of the molar was more curved than expected.
• The anatomist pointed to the mesial border of the organ.
• Orthodontists often measure mesial movement of teeth during treatment.