放

waste-water port (of a dam, sewer, etc.); freeing port (on a ship)

water hose outlet (for firefighting)

(the crime of) arson

Often X月Y日放送分

(daily) segment of a radio or TV program

radio drama

Buddhism

life release; ceremony of releasing captive animals

water cannon

pyromania; a pyromaniac

Architecture

threshold (lacking the grooves needed for a sliding door); sill

water cannon

discharge lamp

open wound

televising right

discharge tube

expulsion from school

dismissal of class (at the end of the day)

Abbreviation

commercial broadcasting station

Noun or verb acting prenominally

radiatio; radial structure; radiation (in anatomy, etc.)

Linguistics

ejective consonant

Mathematics

paraboloid

radiator

Rare term

bombardier beetle (esp. species Pheropsophus jessoensis)

stink bug

Mahjong

discarding a tile that becomes another player's winning tile

radiation fog

radiation pressure

military broadcast