Term: sinornis: sparrow-sized fossil bird of the Jurassic period to the Cretaceous period having a keeled breastbone and vestigial tail; found in China; considered possibly the second most primitive of all birds
Broader: bird: warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | Unrelated: bibliotics: the scientific study of documents and handwriting etc. especially to determine authorship or authenticity
Broader: bird: warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | Unrelated: alpha privative: the negative prefix a- or un-
Broader: bird: warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | Unrelated: slicker: a person with good manners and stylish clothing
Broader: bird: warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | Unrelated: night shift: the work shift during the night (as midnight to 8 a.m.)
Broader: bird: warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | Unrelated: russian monetary unit: monetary unit in Russia
Broader: bird: warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | Unrelated: adrenosterone: a steroid having androgenic activity; obtained from the cortex of the adrenal gland
Broader: bird: warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | Unrelated: ropemaker: a craftsman who makes ropes
Broader: bird: warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | Unrelated: heme: a complex red organic pigment containing iron and other atoms to which oxygen binds
Broader: bird: warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | Unrelated: pocketknife: a knife with a blade that folds into the handle; suitable for carrying in the pocket
Broader: bird: warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | Unrelated: moquelumnan: a Penutian language spoken by the Miwok