A redoubt is a fort or fort system usually consisting of an enclosed defensive emplacement outside a larger fort, usually relying on earthworks, though others are constructed of stone or brick.
Look up innuendo in Wiktionary, the free dictionary. An innuendo is an hint, insinuation or intimation about a person or thing, especially of a denigrating or a derogatory nature. It can also be a remark or question, typically disparaging (also called insinuation), that works obliquely by allusion.
innuendo. n, pl-dos or-does. 1. an indirect or subtle reference, esp one made maliciously or indicating criticism or disapproval; insinuation. 2. (Law) law (in pleading) a word introducing an explanatory phrase, usually in parenthesis.