rain, rainfall / a rainy weather / (figuratively) something falling like rain

extensive, broad

a broad range, a wide range

(informal, chiefly in the negative) the slightest amount (in reference to one's knowledge, thought, etc.) / Used other than figuratively or idiomatically: see 一, ミリ.

range, region / area, field, sphere / domain, territory

a prefecture of Japan in the southern part of 四国 (Shikoku) facing the Pacific Ocean; its capital city is also 高知 (Kōchi, “Kochi”)

a type of administrative district, including 43 of the 47 prefectures of modern Japan, Chinese counties, French departments, etc.

Short for 関東地方 (Kantō-chihō): A geographical region in eastern Japan that includes the capital city of Tokyo and surrounding prefectures

to fall from the sky, to precipitate / (passive) to be hit by or caught in something falling head on.

高知県: Kōchi Prefecture