Psithyrus
— Noun
– English
~ a large bee that resembles the bumblebee but lacks pollen-collecting apparatus and a worker caste
Psittacidae
— Noun
– English
~ coextensive with the order Psittaciformes
Psittaciformes
— Noun
– English
~ an order of birds including parrots and amazons and cockatoos and lorikeets and lories and macaws and parakeets
psittacosaur
— Noun
– English
~ primitive dinosaur actually lacking horns and having only the beginning of a frill; long hind limbs and short forelimbs; may have been bipedal
psittacosaurus
— Noun
– English
~ primitive dinosaur actually lacking horns and having only the beginning of a frill; long hind limbs and short forelimbs; may have been bipedal
psittacosis
— Noun
– English
~ infectious disease of birds
psittacosis
— Noun
– English
~ an atypical pneumonia caused by a rickettsia microorganism and transmitted to humans from infected birds
Psittacula
— Noun
– English
~ a genus of Psittacidae