Answer: mesial

AnswerCrossword Clue
MESIALMiddle.
MESIALToward the middle.
MESIALMiddle
MESIALSituated near the middle line of the body
mesialsituated in the middle, also MESIAN
mesialmedial
mesialdirected toward the sagittal plane or midline of the face, along the dental arch