Proper noun
Ostrov (plural Ostrovs)
A surname, variant of Ostroff
Even in the Encyclopædia Britannica one can find "ostrov Khiuma", where "ostrov" means "island" in Russian and "Khiuma" is back-transliteration from Russian instead of " Hiiumaa " (Hiiumaa > Хийума(а) > Khiuma). Source: Internet
For example, islands near Russia have the abbreviation "O." for "ostrov", not "I." for "island". Source: Internet
Ms. Ostrov took an overnight flight from Hawaii to get here, and she will have to quarantine for two weeks upon her return, to comply with state law. Source: Internet