redoubt

UK: /rɪˈdaʊt/ US: /rɪˈdaʊt/ ,(ri dout′)

WordReference Random House Learner's Dictionary of American English © 2025

re•doubt /rɪˈdaʊt/   n. [countable]

1. a separate, fortified area built inside or outside a larger fortification.

WordReference Random House Unabridged Dictionary of American English © 2025

re•doubt  (ri dout′), n. [Fort.]

1. an isolated work forming a complete enclosure of any form, used to defend a prominent point.
2. an independent earthwork built within a permanent fortification to reinforce it.

• Late Latin reductus a refuge, noun, nominal use of past participle of Latin redūcere to lead back; see reduce
• Italian ridotto
• French redoute
• 1600–10

Collins Concise English Dictionary © HarperCollins Publishers::

redoubt / rɪˈdaʊt/ noun

1. an outwork or detached fieldwork defending a pass, hilltop, etc
2. a temporary defence work built inside a fortification as a last defensive position

Etymology: 17th Century: via French from obsolete Italian ridotta, from Medieval Latin reductus shelter, from Latin redūcere to withdraw, from re- + dūcere to lead