* Noun: This is the most common use. A contract is a formal written agreement between two or more parties.
* Example: "They signed a contract for the construction of the new building."
* Verb: This means to make a formal agreement or to become smaller or tighter.
* Example: "The company contracted with a local firm to provide services." (Agreement)
* Example: "The muscle contracted, causing pain." (Becoming smaller)
Let me know if you have a specific sentence in mind, and I can tell you what part of speech "contract" is acting as!