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
Candidate hypernym: chordate: any animal of the phylum Chordata having a notochord or spinal column → 1
Candidate hypernym: secretion: the organic process of synthesizing and releasing some substance → 0
Candidate hypernym: keyhole limpet: marine limpet having a conical shell with an opening at the apex → 0
Candidate hypernym: aleurites: candlenut → 0
Candidate hypernym: scaling: ascent by or as if by a ladder → 0
Candidate hypernym: long tom: a long swivel cannon formerly used by the navy → 0
Candidate hypernym: second vatican council: the Vatican Council in 1962-1965 that abandoned the universal Latin liturgy and acknowledged ecumenism and made other reforms → 0
Candidate hypernym: palace: the governing group of a kingdom → 0
Candidate hypernym: club: a formal association of people with similar interests → 0
Candidate hypernym: pyrrosia: epiphytic or lithophytic or terrestrial ferns of tropical Old World → 0
Candidate hypernym: cartilage: tough elastic tissue; mostly converted to bone in adults → 0