名詞 barbette:

1. (formerly) a mound of earth inside a fort from which heavy gun can be fired over the parapet

bar.bette

n.（名詞）
A platform or mound of earth within a fort from which guns are fired over the parapet.
炮墩，炮座：堡壘內(nèi)部的平臺或土墩，大炮可從中越過胸墻而發(fā)射
An armored protective cylinder around a revolving gun turret on a warship.
軍艦上的露天炮塔：軍艦上旋轉(zhuǎn)炮塔四周的保護性裝甲圓柱體

來源：
French [diminutive of] barbe [beard] * see barb
法語 [] barbe的小后綴 [須] *參見 barb