Term: roller: pigeon that executes backward somersaults in flight or on the ground
Candidate hypernym: domestic pigeon: domesticated pigeon raised for sport or food → 1
Candidate hypernym: ratchet wheel: toothed wheel held in place by a pawl or detent and turned by a lever → 0
Candidate hypernym: even-pinnate leaf: a pinnate leaf with a pair of leaflets at the apex → 0
Candidate hypernym: governor: a control that maintains a steady speed in a machine (as by controlling the supply of fuel) → 0
Candidate hypernym: interpolation: a message (spoken or written) that is introduced or inserted → 0
Candidate hypernym: doctor of optometry: a doctor's degree in optometry → 0
Candidate hypernym: exterior angle: the supplement of an interior angle of a polygon → 0
Candidate hypernym: europe: the nations of the European continent collectively → 0
Candidate hypernym: arctic ground squirrel: large ground squirrel of the North American far north → 0
Candidate hypernym: dexamethasone: a corticosteroid drug (trade names Decadron or Dexamethasone Intensol or Dexone or Hexadrol or Oradexon) used to treat allergies or inflammation → 0
Candidate hypernym: tenon: a projection at the end of a piece of wood that is shaped to fit into a mortise and form a mortise joint → 0