井の中の蛙大海を知らず[inonakanokawazutaikaiwoshirazu] parochial
井桁[igeta] well lining
井戸[ido] water well
井戸屋形[idoyakata] well roof
井戸掘り[idohori] well digging

井戸綱[idozuna] well rope
井戸車[idoguruma] well pulley
井戸水[idomizu] well water
井戸側[idogawa] well curb
井戸替え[idogae] well cleaning

堰堤[entei] dam
可動堰[kadouzeki] canal gates
堰き止める[sekitomeru] to dam up
堰く[seku] to dam (up) (stream)
井堰[iseki] dam

堰き止湖[sekitomeko] dammed lake (formed by natural damming of a river, esp. by landslide, volcanic eruption, etc.)
堰板[sekiita] sheeting
堰を切ったよう[sekiwokittayou] gushing forth
堰を切る[sekiwokiru] to break a dam and gush forth
堰塞[ensoku] damming (e.g. a pond)

山梔子[kuchinashi] Cape jasmine (Gardenia jasminoides)
悪巫山戯[warufuzake] prank
安土桃山時代[azuchimomoyamajidai] Azuchi-Momoyama period (approx. 1558-1600 CE)
案山子[kakashi] scarecrow
奥山[okuyama] remote mountain

岡山県[okayamaken] Okayama prefecture (Chuugoku area)
下山[gezan] descending (mountain)
夏山[natsuyama] summery mountain
火山[kazan] volcano
火山灰[kazanbai] volcanic ash