チェーン

ちぇーん
noun
chain
1. chain (links)
a series of connected metal links used for various purposes
The bicycle chain came off.
I'm wearing a chain necklace.
The gate was locked with a chain.
2. chain (business); franchise
a group of stores or businesses operating under the same brand
チェーン(てん)どんどん()えている
Chain stores are increasing rapidly.
コンビニチェーン大手(おおて)だ。
It's a major convenience store chain.
It's a restaurant with chain locations.
3. tire chains; snow chains
chains attached to vehicle tires for driving in snow or ice
雪道(ゆきみち)チェーン必要(ひつよう)だ。
Snow chains are necessary on snowy roads.
タイヤチェーン()
To put chains on the tires.
There's a chain requirement in effect.

Physical chain (SENSE 1)

Business chain (SENSE 2)

Tire chains (SENSE 3)