vent-hole

English Thesaurus

1. a hole for the escape of gas or air (noun.artifact)

hypernym	:	hole,
definition	:	an opening deliberately made in or through something (noun.artifact)

hyponym	:	smoke hole,
definition	:	a vent (as in a roof) for smoke to escape (noun.artifact)

part meronym	:	air duct, air passage, airway,
definition	:	a duct that provides ventilation (as in mines) (noun.artifact)

derivation	:	air, air out, vent, ventilate,
definition	:	expose to cool or cold air so as to cool or freshen (verb.change)

derivation	:	air, air out, vent, ventilate,
definition	:	expose to cool or cold air so as to cool or freshen (verb.change)