Definition of: vascular

(vas′kyə·lər) adjective Biol.
1. Of, pertaining to, consisting of, or containing vessels or ducts, as blood vessels, etc.
2. Having vessels.
3. Richly supplied with blood vessels. Also vas′cu·lose (-lōs), vas′cu·lous (-ləs). [<L vasculum, dim. of vas vessel]
—vas′cu·lar′i·ty (-lar′ə·tē) noun
—vas′cu·lar·ly adverb