| Noun | 1. | Psittaciformes - an order of birds including parrots and amazons and cockatoos and lorikeets and lories and macaws and parakeets animal order - the order of animals Aves, class Aves - (ornithology) the class of birds parrot - usually brightly colored zygodactyl tropical birds with short hooked beaks and the ability to mimic sounds family Psittacidae, Psittacidae - coextensive with the order Psittaciformes |