bastions is a form of:

Bastion



1.
(FIGURATIVE) Bastion of strength ទីពំនាក់
noun
1.
(A projecting part of a fortification, esp., a corner tower, stronghold, defense, support) storm the bastion កំពែងសារពើសូត្រ (សម្រាប់ការពារ)
ENGLISH MEANING
noun
1.
A work projecting outward from the main inclosure of a fortification, consisting of two faces and two flanks, and so constructed that it is able to defend by a flanking fire the adjacent curtain, or wall which extends from one bastion to another. Two adjacent bastions are connected by the curtain, which joins the flank of one with the adjacent flank of the other. The distance between the flanks of a bastion is called the gorge. A lunette is a detached bastion.