Sphinc"ter (?), n. [NL., fr. to bind tight.] Anat.

A muscle which surrounds, and by its contraction tends to close, a natural opening; as, the sphincter of the bladder.

 

© Webster 1913.


Sphinc"ter, a. Anat.

Of, pertaining to, or designating, a sphincter; as, a sphincter muscle.

 

© Webster 1913.