What part of speech is tiered?

"Tiered" can be a few different parts of speech depending on its context:

* Adjective: Describing something arranged in tiers, like "a tiered cake" or "a tiered seating arrangement."

* Verb (past participle): Used to describe something that has been divided into tiers, like "the cake was tiered beautifully."

* Verb (past tense): Used to describe the action of creating tiers, like "she tiered the cake with layers of frosting."

To determine the specific part of speech, you need to look at the sentence it's used in and understand its role.