The Collaborative International Dictionary
Hirs
Hires \Hires\, Hirs \Hirs\, pron.
Hers; theirs. See Here, pron. [Obs.]
--Chaucer.
Wiktionary
hirs
pron. (context neologism English) That which belong to hir, theirs (qualifier: singular). {{non-gloss definition|Possessive case of (term: hir), used in place of a noun. Coordinate with (term: his) and (term: hers).}}
Usage examples of "hirs".
Selar, her hearing even sharper than hirs, staggered, grabbing her ears in a desperate and futile attempt to shut out the whining.