Wordnet 3.0
ADJECTIVE (1)
1.
relating to the nerves and muscles that cause the blood vessels to constrict or dilate;
The Collaborative International Dictionary of English v.0.48:
Vasomotor \Vas`o*mo"tor\, a. [L. vas a vessel + motor that which
moves fr. movere to move.] (Physiol.)
Causing movement in the walls of vessels; as, the vasomotor
mechanisms; the vasomotor nerves, a system of nerves
distributed over the muscular coats of the blood vessels.
[1913 Webster]
Vasomotor center, the chief dominating or general center
which supplies all the unstriped muscles of the arterial
system with motor nerves, situated in a part of the
medulla oblongata; a center of reflex action by the
working of which afferent impulses are changed into
efferent, -- vasomotor impulses leading either to dilation
or constriction of the blood vessels.
[1913 Webster]
WordNet (r) 3.0 (2006):
vasomotor
adj 1: relating to the nerves and muscles that cause the blood
vessels to constrict or dilate