Nantoka/동심원dongsimwon[동시뭔]동심원 (dongsimwon) is a Korean word meaning “concentric circle”.Meanings1concentric circlePart of speechnounHanja同心圓Related words동시simultaneousness관심interest결심decision점심lunch점심시간lunchtime조심caution중심center열심히hard동창alumnus동창회school reunion동기same period동호회clubStudy Korean with flashcards →