Term: ratchet wheel: toothed wheel held in place by a pawl or detent and turned by a lever
Candidate hypernym: instrumentality: an artifact (or system of artifacts) that is instrumental in accomplishing some end → 1
Candidate hypernym: hireling: a person who works only for money → 0
Candidate hypernym: binomial: (mathematics) a quantity expressed as a sum or difference of two terms; a polynomial with two terms → 0
Candidate hypernym: montagu's harrier: brownish European harrier → 0
Candidate hypernym: craps: a gambling game played with two dice; a first throw of 7 or 11 wins and a first throw of 2, 3, or 12 loses and a first throw of any other number must be repeated to win before a 7 is thrown, which loses the bet and the dice → 0
Candidate hypernym: ribbon-leaved water plantain: a variety of water plantain → 0
Candidate hypernym: oyster plant: long white salsify → 0
Candidate hypernym: slide: a transparency mounted in a frame; viewed with a slide projector → 0
Candidate hypernym: newsroom: the staff of a newspaper or the news department of a periodical → 0
Candidate hypernym: dibranchiate: cephalopods having two gills → 0
Candidate hypernym: pasty: (usually used in the plural) one of a pair of adhesive patches worn to cover the nipples of exotic dancers and striptease performers → 0