receptacular,a.|rɛsɛpˈtækjʊlə(r)| [f. L. receptacul-um receptacle + -ar. Cf. F. réceptaculaire.] 1.Bot. Pertaining to the receptacle of a flower. 1847in Webster. 2. Of the nature of, serving as, a receptacle. 1848Owen in Times 14 Nov. 8/7 Being an air-breathing animal, with long vesicular and receptacular lungs.