What part of speech is quarter?

"Quarter" can be several parts of speech depending on its use:

Noun:

* A unit of time: "The game is in the fourth quarter."

* A unit of money: "I have two quarters in my pocket."

* One of four equal parts: "Cut the pie into quarters."

Verb:

* To divide into four equal parts: "Quarter the onions."

* To provide living quarters for: "The army quartered its troops in the town."

Adjective:

* Describing something related to a quarter: "The quarter final match is on TV."

Therefore, the part of speech for "quarter" depends on the context of its use.