放ほう流りゅう

noun, noun or participle which takes 'suru', transitive verb

discharge; release of water

Used for controlled release of water from a dam, reservoir, or similar facility.

• 大おお雨あめのため、ダムは放ほう流りゅうを始はじめた。

  Due to heavy rain, the dam began discharging water.

noun, noun or participle which takes 'suru', transitive verb

release of fish; stocking with fish

Used in fishing and environmental contexts for releasing hatchery-raised fish into rivers, lakes, or the sea.

• 川かわに稚ち魚ぎょを放ほう流りゅうする活かつ動どうに参さん加かした。

  I participated in an activity to release young fish into the river.

noun, noun or participle which takes 'suru', transitive verb

banishment; exile

Archaic sense; historically used for sending someone away as punishment. Not used in modern Japanese.

• 昔むかし、罪ざい人にんは遠とおくの島しまへ放ほう流りゅうされた。

  In the past, criminals were banished to distant islands.