/serr'keuhm sizh"euhn/ , n.
1. an act, instance, or the rite of circumcising.
2. clitoridectomy.
3. spiritual purification.
4. ( cap. ) a church festival in honor of the circumcision of Jesus, observed on January 1.
[ 1125-75; ME circumcision- (s. of circumcisio ), equiv. to L circumcis ( us ) (see CIRCUMCISE) + -ion- -ION ]