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)

ウィジャ板[wijaban] ouija board
スキーの板[sukiinoita] ski
プリント基板[purintokiban] printed wiring board
ベニヤ板[beniyaita] plywood
亜鉛板[aenban] zinc plate

一枚看板[ichimaikanban] (a) leading player
羽子板[hagoita] battledore (early form of badminton racket)
羽目板[hameita] wainscoting
鉛板[enban] lead plate
下見板[shitamiita] siding (on a house)