Select the option that can be used as a one-word substitute for the given group of words.
An open space usually rectangular and enclosed in a building

- 'Quadrangle' is a square or rectangular courtyard enclosed by buildings, typically on a college or school campus.
* 'Quinton' is a historical five-stringed musical instrument.
* 'Quintessential' means representing the most perfect or typical example of a quality or class.
* 'Quadruped' means an animal which has four feet.