centronote|ˈsɛntrəʊnəʊt| [a. F. centronote, ad.mod.L. centronōtus, f.Gr. κέντρον sharp point, spine + νῶτος back.] A genus of fishes (Centronotus) having a spur-like prickle pointing forwards in the back. 1836Blackw. Mag. XXXIX. 306 The thorny lophoderme of a centronote or stickleback.