Term: trepan: a drill for cutting circular holes around a center
Candidate hypernym: drill: a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows) → 1
Candidate hypernym: spice rack: a rack for displaying containers filled with spices → 0
Candidate hypernym: yellow-crowned night heron: North American night heron → 0
Candidate hypernym: fresh water: water that is not salty → 0
Candidate hypernym: left coronary artery: arises from the left aortic sinus; supplies the left side of the heart → 0
Candidate hypernym: charge-exchange accelerator: an accelerator in which high-energy ions escape from plasma following charge exchange → 0
Candidate hypernym: ibero-mesornis: sparrow-sized fossil bird of the Cretaceous period having a vestigial tail; found in Spain; considered possibly the third most primitive of all birds → 0
Candidate hypernym: change of magnitude: the act of changing the amount or size of something → 0
Candidate hypernym: confervoid algae: algae resembling confervae especially in having branching filaments → 0
Candidate hypernym: jeer: showing your contempt by derision → 0
Candidate hypernym: stirrup: support consisting of metal loops into which rider's feet go → 0