名詞 redoubt:

1. a forbidding stronghold
   同義詞：sconce

re.doubt

n.（名詞）
A small, often temporary defensive fortification.
小型防御工事：小型，常為暫時(shí)性的防御工事
A reinforcing earthwork or breastwork within a permanent rampart.
防守陣地，防護(hù)性障礙物：在永久性堡壘中加強(qiáng)土木工事或胸墻
A protected place of refuge or defense.
保護(hù)性藏身處，防御工事

來(lái)源：
French redoute
法語(yǔ) redoute
from Italian ridotto
源自 意大利語(yǔ) ridotto
from Medieval Latin reductus [concealed place]
源自 中世紀(jì)拉丁語(yǔ) reductus [掩體]
from Latin [past participle of] redôcere [to withdraw, lead back] * see reduce
源自 拉丁語(yǔ) [] redôcere的過(guò)去分詞 [撤回，撤出] *參見 reduce