/ˈfɒsɪdʒ/ or /ˈfoʊsɪdʒ/ (FO-sij) or /ˈfoʊsɪdʒ/ (FOH-sij)

Definitions

1. noun

the act or process of digging or making a fosse, especially a ditch or moat

“The fosse of the medieval castle was a remarkable example of military engineering.”