Term: placoderm: fish-like vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws
Candidate hypernym: aquatic vertebrate: animal living wholly or chiefly in or on water → 1
Candidate hypernym: white prairie aster: perennial of western North America having white flowers → 0
Candidate hypernym: sexual intercourse: the act of sexual procreation between a man and a woman; the man's penis is inserted into the woman's vagina and excited until orgasm and ejaculation occur → 0
Candidate hypernym: mandragora: a genus of stemless herbs of the family Solanaceae → 0
Candidate hypernym: outcaste: a person belonging to no caste → 0
Candidate hypernym: screening: fabric of metal or plastic mesh → 0
Candidate hypernym: clear liquid diet: a diet of fluids with minimal residues (fat-free broth or strained fruit juices or gelatin); cannot be used for more than one day postoperative → 0
Candidate hypernym: nanny: a woman who is the custodian of children → 0
Candidate hypernym: gent: informal abbreviation of `gentleman' → 0
Candidate hypernym: catching: (baseball) playing the position of catcher on a baseball team → 0
Candidate hypernym: acanthocephalan: any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines → 0