* Noun: This is the most common usage. It refers to the event itself.
* Example: "We went to the rodeo and watched the cowboys compete."
* Adjective: Describing something related to rodeos.
* Example: "He wore a rodeo hat to the party."
* Verb: Less common, but can mean "to participate in a rodeo."
* Example: "The cowboys rodeod all weekend."
It's important to look at the context to determine the specific part of speech.