Definify.com
Webster 1913 Edition
Vascular
Vas′cu-lar
,Adj.
1.
(Biol.)
(a)
Consisting of, or containing, vessels as an essential part of a structure; full of vessels; specifically
(Bot.)
, pertaining to, or containing, special ducts, or tubes, for the circulation of sap. (b)
Operating by means of, or made up of an arrangement of, vessels;
as, the
vascular
system in animals, including the arteries, veins, capillaries, lacteals, etc. (c)
Of or pertaining to the vessels of animal and vegetable bodies;
as, the
. vascular
functions2.
(Bot.)
Of or pertaining to the higher division of plants, that is, the phaenogamous plants, all of which are vascular, in distinction from the cryptogams, which to a large extent are cellular only.
Vascular plants
(Bot.)
, plants composed in part of vascular tissue, as all flowering plants and the higher cryptogamous plants, or those of the class
– Pteridophyta
. Cf. Cellular plants
, under Cellular
. Vascular system
(Bot.)
, the body of associated ducts and woody fiber; the fibrovascular part of plants.
– Vascular tissue
(Bot.)
, vegetable tissue composed partly of ducts, or sap tubes.
– Water vascular system
(Zool.)
, a system of vessels in annelids, nemerteans, and many other invertebrates, containing a circulating fluid analogous to blood, but not of the same composition. In annelids the fluid which they contain is usually red, but in some it is green, in others yellow, or whitish.
Webster 1828 Edition
Vascular
VAS'CULAR
,Adj.
1.
Pertaining to the vessels of animal or vegetable bodies; as the vascular functions.2.
Full of vessels; consisting of animal or vegetable vessels, as arteries, veins, lacteals and the like; as the vascular system. Animal flesh is all vascular, none of it parenchymous.