Japanese

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For pronunciation and definitions of とびら – see the following entry.
S
[noun] a door (moving part of a hinged door that swings out or in, as opposed to a sliding door or the doorway as a whole)
[noun] (by extension) a title page
[noun] (figuratively) an entrance to something
Alternative spelling
(This term, とびら (tobira), is the hiragana spelling of the above term.)
For a list of all kanji read as とびら, see Category:Japanese kanji read as とびら.)