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Ardent in temper; violent; rash; impetuous; as, hot-brained youth. Dryden.

See Thalamencephalon.

One who is deficient in understanding; a witless person. Shak.

Hot-headed; rash. Shak. -- n.

Disordered in mind; hot-headed. Shak.

The middle segment of the brain; the mesencephalon. See Brain.

Giddy; rattle-headed.

or thoughtless person; one incapable of concentration or attention. [Written also scatter-brains.]

Giddy; thoughtless.

Weak in intellect; foolish; empty-headed. South.

Disordered or wandering in intellect; hence, heedless; wild. J. Goodman.

Disordered in the brain.

A disease of sheep; gid.

aberrations of intellect." Lingard. Whims, which at first are the aberrations of a single brain, pass with heat into epidemic form. I. Taylor.

wer of development, and become rotten, as eggs; putrid. Hence: Unfruitful or confused, as brains; muddled. Dryden.

fferent vessels; afferent nerves, which convey sensations from the external organs to the brain.

As used by some, inability to read aloud, due to brain disease.

ed at both ends. It is the lowest and most generalized of the vertebrates, having neither brain, skull, vertebræ, nor red blood. It forms the type of the group Acrania, Leptocardia, etc.

Without a brain; brainless. Todd & B.

A sinuous depression or sulcus like those separating the convolutions of the brain.