Real Dictionary

parrot
countable noun: A parrot is a tropical bird with a curved beak and brightly-coloured or grey feathers. Parrots can be kept as pets. Some parrots are able to copy what people say.
verb: If you disapprove of the fact that someone is just repeating what someone else has said, often without really understanding it, you can say that they are parroting it.

parrot in American English
any of an order (Psittaciformes) of tropical or subtropical birds with a hooked bill, brightly colored feathers, and feet having two toes pointing forward and two backward: some parrots can learn to imitate human speech
to repeat or imitate, esp. without understanding
noun: any of numerous hook-billed, often brilliantly colored birds of the order Psittaciformes, as the cockatoo, lory, macaw, or parakeet, having the ability to mimic speech and often kept as pets
transitive verb: to repeat or imitate without thought or understanding

parrot in British English
noun: any bird of the tropical and subtropical order Psittaciformes, having a short hooked bill, compact body, bright plumage, and an ability to mimic sounds