Search Result for "anatomical sphincter":
Wordnet 3.0

NOUN (1)

1. a ring of muscle that contracts to close an opening;
[syn: sphincter, anatomical sphincter, sphincter muscle]



WordNet (r) 3.0 (2006):

anatomical sphincter
    n 1: a ring of muscle that contracts to close an opening [syn:
         sphincter, anatomical sphincter, sphincter muscle]