\Ca*rot"id\, n. [Gr. ?, pl., from ? heavy sleep: cf. F.
carotide. The early Greeks believed that these arteries in
some way caused drowsiness.] (Anat.)
One of the two main arteries of the neck, by which blood is
conveyed from the aorta to the head.
Note: [See Illust. of {Aorta}.]

\Ca*rot"id\, Carotidal \Ca*rot"id*al\, a. (Anat.)
Pertaining to, or near, the carotids or one of them; as, the
carotid gland.