Defn: Scientific examination of the cranium.

CRANIOTA
Cra`ni*o"ta (kr`n-t), n. pl. Etym: [NL., fr. cranium.] (Zoöl.)

Defn: A comprehensive division of the Vertebrata, including all those that have a skull.

CRANIOTOMY
Cra`ni*ot"o*my (kr`n-t"-m), n. Etym: [Cranium + Gr. (Med.)

Defn: The operation of opening the fetal head, in order to effect delivery.

CRANIUM
Cra"ni*um (kr"n-m), n.; pl. E. Craniums (-Crania (-. Etym: [NL., fr.
Gr.

Defn: The skull of an animal; especially, that part of the skull, either cartilaginous or bony, which immediately incloses the brain; the brain case or brainpan. See Skull.

CRANK Crank (krnk), n. Etym: [OE. cranke; akin to E. cringe, cringle, crinkle, and to crank, a., the root meaning, probably, "to turn, twist." See Cringe.]

1. (Mach.)

Defn: A bent portion of an axle, or shaft, or an arm keyed at right angles to the end of a shaft, by which motion is imparted to or received from it; also used to change circular into reciprocating motion, or reciprocating into circular motion. See Bell crank.