What is the meaning of Hers?

That or those belonging to her; the possessive case of she, used without a following noun.

Her house or home.

plural of her

indefinite genitive singular of her

alternative form of hires (hers)

alternative form of heres (theirs)

alternative form of ars (anus; buttocks)

alternative form of hereth: third-person singular present of heren (to hear)

alternative form of heren: plural present of heren (to hear)

Source: wiktionary.org