Entry 1 sense Webster, 1913 Vascularity /(văs`kū̇*lăr"ĭ*ty̆)/ · Vas·cu·lar·i·ty · IPA /vaskjʊˈlaɹɪti/ 01 n. The quality or state of being vascular. pl. Vascularities ((văs`kū̇*lăr"ĭ*tĭz)) 1. The quality or state of being vascular.(Biol.)