Circumcise \Cir"cum*cise\, v. t. [imp. & p. p. {Circumcised}; p. pr. & vb. n. {Circumcising}.] [L. circumcisus, p. p. of circumcidere to cut around, to circumcise; circum + caedere to cut; akin to E. c[ae]sura, homicide, concise, and prob. to shed, v. t.] 1. To cut off the prepuce of foreskin of, in the case of males, and the internal labia of, in the case of females. 2. (Script.) To purify spiritually.