dragon fruit /ˈdɹæɡ.ən ˌfɹuːt/ noun1 •The fruit of certain cacti of the genus (Stenocereus (syn. Hylocereus) spp.), cultivated in Southeast Asia and Central and South America, having cerise-pink- or yellow-coloured skin and a white or pink sweet fleshy interior with black seeds. formsdragon fruits