Dictionary.net

The anterior part of the rhombencephalon, comprising the CEREBELLUM and the PONS. (Dorland, 28th ed)

1. Hind-brain, the anterior of the two divisions of the rhombencephalon, or posterior primitive cerebral vesicle; from it are developed the pons and cerebellum and the poutine part of the fourth ventricle. 2. Cerebellum.

The hind-brain or cerebellum.

Hind-brain; part of embryonic brain whence the pons and part of cerebellum are developed.

Afterbrain; part of embryonic brain whence are developed the oblongata and part of the fourth ventricle.

Syn.: afterbrain, hindbrain. That portion of the embryonic brain which, being formed from the posterior encephalic vesicle, is subsequently developed into the medulla oblongata, the fourth ventricle, and the auditory nerve. [Gr.]