1 cut off the foreskin, as a Jewish or Muslim rite or a surgical operation.
2 cut off the clitoris (and sometimes the labia), usu. as a religious rite.
3 Bibl. purify (the heart etc.).
Etymology: ME f. OF f. L circumcidere circumcis- (as CIRCUM-, caedere cut)
Useful english dictionary. 2012.