- Cranioclasm Cra"ni*o*clasm (kr?"n?-?-kl?z'm), n. [Cranium + Gr. ??? to break.] (Med.) The crushing of a child's head, as with the cranioclast or craniotomy forceps in cases of very difficult delivery. --Dunglison. [1913 Webster]
The Collaborative International Dictionary of English. 2000.