ours

UK: /ˈaʊə^rz/

US: /aʊrz, ˈaʊɚz or, often, ɑrz/

US: (ou^ərz, ou′ərz or, often, ärz)

WordReference Random House Learner's Dictionary of American English © 2025

ours /aʊrz, ˈaʊɚz or, often, ɑrz/   pron. 

1. a form of the pronoun we used to show possession:
   [be + ~] Which house is ours?
2. that or those belonging to us:
   Ours are the pink ones. She's a cousin of ours.

WordReference Random House Unabridged Dictionary of American English © 2025

ours  (ou^ərz, ou′ərz or, often, ärz), pron. 

1. (a form of the possessive case of we used as a predicate adjective):
   Which house is ours?
2. that or those belonging to us:
   Ours was given second prize. Ours are in the car.

• Middle English (origin, originally north) ures, oures. See our, 's¹ 1250–1300

Collins Concise English Dictionary © HarperCollins Publishers::

ours / aʊəz/ pronoun

1. something or someone belonging to or associated with us: ours have blue tags
2. of ours ⇒ belonging to or associated with us