who's
Concise Oxford English Dictionary © 2008 Oxford University Press:
who's/huːz/
▶contraction
- 1 who is.
- 2 who has.
usage: Do not confuse who's with whose. Who's is a contraction of ‘who is’ or ‘who has’ (who's that?), while whose means ‘belonging to or associated with which person’ or ‘of whom or which’ (whose turn is it?).
'who's' also found in these Oxford entries:
