Pronunciation: (mak"rō-su-fal'ik), [key]
1. Cephalom.being or having a head with a large cranial capacity.
2. Craniom.being or having a skull with a large cranial capacity. Also,mac•ro•ceph•a•lousPronunciation: (mak"rō-sef'u-lus). [key]
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.