ring-necked parakeet noun1 •A species of parakeet, Psittacula krameri, prevalent in Asia and famous for escaping domestication and establishing wild populations in Britain.The bright-green ring-necked parakeet, originally hailing from India and Africa, has established itself in European cities thanks to the caged-bird trade for much of the 20th century. — 2018 formsring-necked parakeets