Nantoka/구guBeginner구 (gu) is a Korean word meaning “nine; ninth”.Meanings1nine2ninthPart of speechdeterminerHanja九Related words구nine구십ninety구십ninety구월September구사일생narrow escape십중팔구almost all구천the other world구공탄coal briquette구구단multiplication table구관조mynah구절판gujeolpan구중궁궐Royal PalaceStudy Korean with flashcards →