Nantoka/땅굴ttanggul[땅꿀]땅굴 (ttanggul) is a Korean word meaning “tunnel; pit; hollow”.Meanings1tunnel2pit3hollow4burrowPart of speechnounHanja땅 窟Related words굴cave동굴cave굴다리underpass석굴암Seokguram Grotto소굴den토굴caveStudy Korean with flashcards →