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 red·out /ˈrɛdˌaʊt/

 red·out /ˈrɛdˌaʊt/ 名詞
 紅視,紅霧視症

 Re·doubt n.  Fort. (a) A small, and usually a roughly constructed, fort or outwork of varying shape, commonly erected for a temporary purpose, and without flanking defenses, -- used esp. in fortifying tops of hills and passes, and positions in hostile territory. (b) In permanent works, an outwork placed within another outwork. See F and i in Illust. of Ravelin. [Written also redout.]