What part of speech is cardinal?

"Cardinal" can be several parts of speech depending on its context:

* Adjective: Describing something that is of primary importance, fundamental, or essential.

* Example: "This is a cardinal rule."

* Noun: Referring to a high-ranking church official, especially one who is a member of the College of Cardinals and can elect a new pope.

* Example: "The cardinal gave a sermon."

* Noun: Referring to a type of bird, often brightly colored.

* Example: "The cardinal perched on the feeder."

So, without context, it's impossible to determine the specific part of speech for "cardinal".