(also mis·sis ) / ˈmɪsɪz; NAmE / noun (becoming old-fashioned )
1.
( informal ) (used after 'the', 'my', 'your', 'his') a man's wife :
How's the missus (= your wife) ?
2.
( slang , especially BrE ) used by some people as a form of address to a woman whose name they do not know :
Is this your bag, missus?
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WORD ORIGIN
late 18th cent.: representing an informal pronunciation of mistress ; compare with Mrs .