craniotomy

cra·ni·ot·o·my

noun \ˌkrā-nē-ˈät-ə-mē\

plural cra·ni·ot·o·mies

Definition of CRANIOTOMY

1

: the operation of cutting or crushing the fetal head to effect delivery <fetal craniotomies…performed to save the life of the mother—R. E. Frisch>

2

: surgical opening of the skull