Term: factory whistle: a whistle at a factory that is sounded to announce times for starting or stopping work
Candidate hypernym: device: an instrumentality invented for a particular purpose → 1
Candidate hypernym: bell: (nautical) each of the eight half-hour units of nautical time signaled by strokes of a ship's bell; eight bells signals 4:00, 8:00, or 12:00 o'clock, either a.m. or p.m. → 0
Candidate hypernym: field hockey ball: ball used in playing field hockey → 0
Candidate hypernym: facility: a natural effortlessness; ; --Jane Austen → 0
Candidate hypernym: canfield: a form of solitaire that involves gambling → 0
Candidate hypernym: butane: occurs in natural gas; used in the manufacture of rubber and fuels → 0
Candidate hypernym: incubator: apparatus consisting of a box designed to maintain a constant temperature by the use of a thermostat; used for chicks or premature infants → 0
Candidate hypernym: reflexive verb: a verb whose agent performs an action that is directed at the agent → 0
Candidate hypernym: synovia: viscid lubricating fluid secreted by the membrane lining joints and tendon sheaths etc. → 0
Candidate hypernym: balaenoptera: type genus of the Balaenopteridae → 0
Candidate hypernym: slop basin: a bowl into which the dregs of teacups and coffee cups are emptied at the table → 0