Meaning of VERTEBRAL ARTERY

WordNet Dictionary
	Definition:		[n]  the first branch of the subclavian artery; divided into four parts
	Synonyms:		arteria vertebralis
	See Also:		arteria, artery
Medical Dictionary
	Definition:		One of a pair of arteries carrying oxygen-rich blood from the aorta, up the back of the neck, contributing to the Circle of Willis and supplying predominantly the back of the head and brain, including the cerebellum.