堰・井堰|せきseki[1]atamadaka (head-high)

1. noundam; weir; barrier; sluice

• SynonymダムNeutralA loanword for dams that hold back water or sand; usually far larger than a 「堰」, which typically blocks a river to raise the water level or divert it.
• Synonym堰堤えんていWrittenWritten/formal prose for dams or weirs built across rivers, including sand-trapping dams; 「堰」 is the broader term.
• Related堤つつみNeutralAn earthen embankment raised along a riverbank or pond edge; 「堰」 is a structure that blocks the flow of water itself.
• Related堤防ていぼうWrittenWritten/formal prose for embankments or levees built to prevent flood damage; 「堰」 is a facility that holds water back.
• Related土手どてCasualColloquial for earthen banks along a river; 「堰」 is a dam that blocks the water.
• Related防波堤ぼうはていNeutralA breakwater built at a harbor to block waves, also used metaphorically for a barrier; 「堰」 is for rivers and lakes.
• Related築堤ちくていWrittenWritten/formal prose for the act of building an embankment; 「堰」 is the structure itself.

Use 「堰」 for structures that dam water in rivers or lakes; 「堰を切る」 figuratively describes emotions bursting out. Large dams are 「ダム」, earthen banks 「堤」 or 「土手」, flood levees 「堤防」, harbor breakwaters 「防波堤」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 河川かせんや湖沼こしょうに水みずをせき止とめる目的もくてきで設置せっちした構造物こうぞうぶつ。
2. 遮さえぎりとめること。そのもの。