円えん丘きゅうえんきゅうMeanings1nounknoll; hummockRefers to a small, rounded natural hill or mound. Often used in geographical or descriptive contexts.その草そう原げんには小ちいさな円えん丘きゅうがいくつか点てん在ざいしている。Several small knolls are scattered across the meadow.