Meaning of 'S in English

'S

I. same as -ʸs verb

Etymology: contraction of is, has, does

Date: 1584

1.

a. : is

she 's here

b. : was

when 's the last time you ate?

2. : has

he 's seen them

3. : does

what 's he want?

II. s pronoun

Etymology: by contraction

Date: 1588

: us — used with let

let 's

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.