Term: protoavis: most primitive avian type known; extinct bird of the Triassic having bird-like jaw and hollow limbs and breastbone with dinosaur-like tail and hind limbs
Broader: chordate: any animal of the phylum Chordata having a notochord or spinal column | Unrelated: nematode: unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic
Broader: chordate: any animal of the phylum Chordata having a notochord or spinal column | Unrelated: garroter: someone who kills by strangling
Broader: chordate: any animal of the phylum Chordata having a notochord or spinal column | Unrelated: pruritus vulvae: persistent itching of the external female genitalia
Broader: chordate: any animal of the phylum Chordata having a notochord or spinal column | Unrelated: viziership: the position of vizier
Broader: chordate: any animal of the phylum Chordata having a notochord or spinal column | Unrelated: gramineae: the grasses: chiefly herbaceous but some woody plants including cereals; bamboo; reeds; sugar cane
Broader: chordate: any animal of the phylum Chordata having a notochord or spinal column | Unrelated: constituent: a member of a constituency; a citizen who is represented in a government by officials for whom he or she votes
Broader: chordate: any animal of the phylum Chordata having a notochord or spinal column | Unrelated: double standard of sexual behavior: a code that permits greater sexual freedom for men than for women (associated with the subordination of women)
Broader: chordate: any animal of the phylum Chordata having a notochord or spinal column | Unrelated: ringer's solution: an aqueous solution containing the chlorides of sodium and potassium and calcium that is isotonic to animal tissues; used to correct dehydration and (in physiological experiments) as a medium for in vitro preparations
Broader: chordate: any animal of the phylum Chordata having a notochord or spinal column | Unrelated: revival: an evangelistic meeting intended to reawaken interest in religion
Broader: chordate: any animal of the phylum Chordata having a notochord or spinal column | Unrelated: dos: an operating system that is on a disk