A2
used to show that something belongs to or is connected with the person who is speaking and one or more other people
Dictionary examples:
The messy room is ours. The clean one is our parents'! (0.0)
Is this funny-looking dog really ours? It barks backwards! (0.0)
This big cake is ours. The small one is for the party! (0.0)
Which table is ours? (12.5)
He's a cousin of ours. (14.6)
Their daughter is the same age as ours. (19.0)
I think these seats are ours. (25.9)