Khersonesos is an alternative form of chersonese.
As a noun chersonese is
(geography|uncommon) a peninsula
Not English Khersonesos has no English definition. It may be misspelled.
** chersonesus (Latin form)
** chersonesos (with Greek ending)
** chersoness (obsolete)
** chersonesse (obsolete)
** khersonesos (with Greek ending)
** khersonesus (with Latin ending)
(geography, uncommon) A peninsula.
Aside from dated, poetic, or rhetorical use,
the word typically appears in English transcribing works or descriptions of classical geography: the Greek form chersonese being more common in general and generic use and the Latin form chersonesus appearing in the proper names of various famous peninsulas.
* Thracian Chersonese (Gallipoli)