地ち界かいちかいMeanings1nounboundary; bounds of the earthLiterary or technical term for the limits or boundaries of the earth, often used in poetic or philosophical contexts. Rare in everyday speech.古こ代だいの人ひと々びとは地ち界かいの果はてを想そう像ぞうした。Ancient people imagined the ends of the earth.