Noun | 1. | Cuculiformes - cuckoos; touracos; etc. animal order - the order of animals Aves, class Aves - (ornithology) the class of birds cuculiform bird - birds having zygodactyl feet (except for the touracos) Cuculidae, family Cuculidae - includes cuckoo; ani; roadrunner family Musophagidae, Musophagidae - touracos |