* Noun: When referring to the animals themselves, it is a noun.
* Example: "The dogs barked at the mailman."
* Adjective: When used to describe something related to dogs, it becomes an adjective.
* Example: "She has a dogs' leash."
* Verb: In rare cases, it can be a verb when referring to the act of hunting with dogs.
* Example: "They dogged the fox through the woods." (This is quite uncommon in modern English)
Without context, it's impossible to know for sure which part of speech "dogs" is.