Hollow bastion Synonyms

Definitions for Hollow

(adjective) curved inward
(noun) a sunken area forming a separate space
(noun) an area of lowland between hills or mountains

Synonyms for phrase

sunken fortress

HB abbreviation

HB is an abbreviation for Hollow Bastion

What does HB stand for?

HB stands for "Hollow Bastion"

Bastion replaced

hollow castle

Definitions for Bastion

(noun) a structure or place from which one can resist attack
(noun) projecting part of a rampart or other fortification
(noun) a stronghold into which people could go for shelter during a battle