What does adductor mean?
The definition of adductor
Ad*duc”tor, n.
Etym: [L., fr. adducere.] (Anat.)

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. Verrill.