Japanese edit

Kanji in this term
ちょう
Jinmeiyō
on’yomi
For pronunciation and definitions of 蝶つがい – see the following entry.
蝶番ちょうつがい
[noun] hinge
[noun] joint, especially anatomical joint
Alternative spelling
蝶番い
(This term, 蝶つがい, is an alternative spelling of the above term.)