forts is a form of:

Fort



noun
1.
(a fortified place, a stronghold, a small fortress, outpost) បន្ទាល
  • hold the fort
    - ជំនួស, តំណាងអោយលៃលកដោះស្រាយជាបន្ទាន់
ENGLISH MEANING
noun
1.
A strong or fortified place; usually, a small fortified place, occupied only by troops, surrounded with a ditch, rampart, and parapet, or with palisades, stockades, or other means of defense; a fortification.