戸・門|とto[0]heiban (flat)

1. noundoor (esp. Japanese-style)
   誰だれかが戸とをやかましくノックしている。↗

   Someone is knocking loudly at the door.
2. nounshutter; window shutter
3. nounentrance (to a home)
4. nounnarrows

• SynonymドアNeutralLoanword for Western-style swing and hinged doors; the everyday word in modern homes. 「戸」 is the broader term covering door panels, sliding doors and shutters.
• Synonym扉とびらWrittenWritten register: a hinged door panel, with a literary or metaphorical feel as in 「心の扉」; also means the title page of a book.
• Related門戸もんこWrittenWritten/formal word for gates and doors, or an entrance way in general; frequently figurative for openness, as in 「門戸を開く」.
• Related入り口いりぐちNeutralThe place where you enter, whether or not there is a door, as in 「駅の入り口」; it points to a location, while 「戸」 is the door itself.
• Related玄関げんかんNeutralThe main entrance and entryway of a house or building. 「戸」 refers to the door panel itself, not the entrance area.
• Related戸口とぐちNeutralThe doorway area of a house — the spot just at the door, as in 「戸口に立つ」; a location, not the door panel.
• Related出入り口でいりぐちNeutralAn opening used for both entering and leaving, stressing the passage function, as in 「非常出入り口」.
• Related門もんNeutralA gate in a wall or fence that people pass through and that can be closed, as in 「校門」; 「戸」 is a door panel that opens and shuts on a house.
• RelatedゲートNeutralLoanword for gates such as boarding gates, ticket gates and floodgates, as in 「搭乗ゲート」.
• Related門口かどぐちNeutralThe area between the front gate and the house door; somewhat old-fashioned. Also figuratively the start of something.
• Relatedとば口とばくちWrittenWritten word for an entrance or the very beginning of something, mostly figurative, as in 「とば口に立つ」.

Use 「戸」 for door panels, sliding doors and shutters; Western-style doors are 「ドア」. For a hinged or metaphorical door say 「扉」, for a yard gate 「門」, for the place you enter 「入り口」, and for a building's main entrance 「玄関」.

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

1. （と）片かた開ひらきの扉とびら。