Term: ventilation shaft: a shaft in a building; serves as an air passage for ventilation
Candidate hypernym: shaft: a vertical passageway through a building (as for an elevator) → 1
Candidate hypernym: nonproliferation: the prevention of something increasing or spreading (especially the prevention of an increase in the number of countries possessing nuclear weapons) → 0
Candidate hypernym: harem: living quarters reserved for wives and concubines and female relatives in a Muslim household → 0
Candidate hypernym: mule: hybrid offspring of a male donkey and a female horse; usually sterile → 0
Candidate hypernym: concession: a contract granting the right to operate a subsidiary business → 0
Candidate hypernym: genus maxillaria: large genus of tropical American epiphytic orchids with persistent leathery leaves and single-flowered scapes → 0
Candidate hypernym: brigade: army unit smaller than a division → 0
Candidate hypernym: qatari: a native or inhabitant of Qatar → 0
Candidate hypernym: housecraft: skill in domestic management → 0
Candidate hypernym: fairground: an open area for holding fairs or exhibitions or circuses → 0
Candidate hypernym: clubbing: a condition in which the ends of toes and fingers become wide and thick; a symptom of heart or lung disease → 0