It's a bit of a trick question, as "chain" is a homograph, meaning it has the same spelling but different meanings.
Here are some examples of how "chain" can be used:
* Chain (noun): A series of linked metal rings. "He broke the chain with a hammer."
* Chain (verb): To fasten with a chain. "He chained the dog to the fence."
Let me know if you'd like to explore other homonyms!