/ s; NAmE ; z/ suffix , short form
■ suffix (added to nouns)
1.
belonging to :
the woman's hat
Peter's desk
children's clothes
2.
used to refer to sb's home or, in British English, a particular shop :
Shall we go to David's (= David's house) tonight?
( BrE )
I'll call in at the chemist's on my way home
■ short form ( informal )
1.
used after he , she or it and where , what , who or how to mean 'is' or 'has' :
She's still in the bath.
What's he doing now?
It's time to go now.
Who's taken my pen?
Where's he gone?
It's gone wrong again.
2.
(used after let when making a suggestion that includes yourself and others) us :
Let's go out for lunch.