fortification /ˌfoɚtəfəˈkeɪʃən/ noun plural fortifications
plural fortifications
Learner's definition of FORTIFICATION
1
[noncount] : the act of building military defenses to protect a place against attack : the act of fortifying something建造堡垒;设防 2
[count] : a structure (such as a wall or tower) that is built to protect a place防御工事 —
usually plural通常用复数