There are 2 main definitions of Ms in English:

Ms1

Line breaks: Ms
Pronunciation: /mɪz
 
/

noun

A title used before the surname or full name of any woman regardless of her marital status (a neutral alternative to Mrs or Miss): Ms Sarah Brown
More example sentences
  • Ms. Wilson, who married twice, held on to the house throughout her life, up until her recent death at the age of 98.
  • Ms Kumar’s career has been devoted to innovation and driving change through a number of organisations.

Origin

1950s: combination of Mrs and miss2.

Definition of Ms in: