fosse

Definitions of fosse
1

n ditch dug as a fortification and usually filled with water

Synonyms:
moat
Type of:
trench
a ditch dug as a fortification having a parapet of the excavated earth

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.