Adductor
Adductor ({not transcribed}) , noun
[Latin, from adducere.]
(Anatomy) A muscle which draws a limb or part of the body toward the middle line of the body, or closes extended parts of the body; -- opposed to abductor; as, the adductor of the eye, which turns the eye toward the nose.
In the bivalve shells, the muscles which close the values of the shell are called adductor muscles.