What does チェーン mean?
チェーン is a Japanese noun meaning “chain (bicycle, measuring, tire, etc.)” in English. It is written as チェーン in hiragana, and cheen in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
彼女はドアにチェーンをかけてから、ちょっと開けた。
She put the chain on the door and opened it a crack.