Term: heterostracan: extinct jawless fish with the anterior part of the body covered with bony plates; of the Silurian and Devonian
Candidate hypernym: jawless vertebrate: eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms → 1
Candidate hypernym: economy: the efficient use of resources → 0
Candidate hypernym: carrier: someone whose employment involves carrying something → 0
Candidate hypernym: concentration: complete attention; intense mental effort → 0
Candidate hypernym: euphonium: a bass horn (brass wind instrument) that is the tenor of the tuba family → 0
Candidate hypernym: cicada killer: large black or rust-colored wasp that preys on cicadas → 0
Candidate hypernym: obstructionist: someone who systematically obstructs some action that others want to take → 0
Candidate hypernym: acuteness: a quick and penetrating intelligence → 0
Candidate hypernym: demur: (law) a formal objection to an opponent's pleadings → 0
Candidate hypernym: symposium: a meeting or conference for the public discussion of some topic especially one in which the participants form an audience and make presentations → 0
Candidate hypernym: spatter: the noise of something spattering or sputtering explosively → 0