from The American Heritage® Dictionary of the English Language, 4th Edition
- pro. Used to indicate the one or ones belonging to her: If you can't find your hat, take hers.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- pro. That which belongs to her; the possessive case of she, used without a following noun.
from the GNU version of the Collaborative International Dictionary of English
- pro. See the Note under her, pron.
from The Century Dictionary and Cyclopedia
- See he.
Middle English hires, hirs : hire, her; see her + -es, possessive suff.; see -'s.(American Heritage® Dictionary of the English Language, Fourth Edition)
her + -'s (Wiktionary)