: who is
Who's there?
I don't know who's calling.
: who has
She's someone who's always been a good friend to me.

Word History

First Known Use

1594, in the meaning defined at sense 1

Time Traveler
The first known use of who's was in 1594

Dictionary Entries Near who's

Cite this Entry

“Who's.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/who%27s. Accessed 2 Mar. 2024.

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