Nantoka/허공heogongAdvanced허공 (heogong) is a Korean word meaning “air; sky”.Meanings1air2skyPart of speechnounHanja虛空Related words공책notebook공항airport공짜something gained free of charge항공aviation항공권airline ticket공zero공간space공기air공기bowl항공료airfare공허하다empty겸허modestyStudy Korean with flashcards →