Search Result for "redoubt": 
Wordnet 3.0

NOUN (2)

1. (military) a temporary or supplementary fortification; typically square or polygonal without flanking defenses;

2. an entrenched stronghold or refuge;


The Collaborative International Dictionary of English v.0.48:

Redoubt \Re*doubt"\ (r?*dout"), n. [F. redoute, fem., It. ridotto, LL. reductus, literally, a retreat, from L. reductus drawn back, retired, p. p. of reducere to lead or draw back; cf. F. r['e]duit, also fr. LL. reductus. See Reduce, and cf. Reduct, R['e]duit, Ridotto.] (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.] [1913 Webster]
The Collaborative International Dictionary of English v.0.48:

Redoubt \Re*doubt"\, v. t. [F. redouter, formerly also spelt redoubter; fr. L. pref. re- re- + dubitare to doubt, in LL., to fear. See Doubt.] To stand in dread of; to regard with fear; to dread. [R.] [1913 Webster]
WordNet (r) 3.0 (2006):

redoubt n 1: (military) a temporary or supplementary fortification; typically square or polygonal without flanking defenses 2: an entrenched stronghold or refuge
Moby Thesaurus II by Grady Ward, 1.0:

60 Moby Thesaurus words for "redoubt": abatis, advanced work, balistraria, bank, banquette, barbed-wire entanglement, barbican, barricade, barrier, bartizan, bastion, battlement, breastwork, bulwark, casemate, cheval-de-frise, circumvallation, citadel, contravallation, counterscarp, curtain, demibastion, dike, drawbridge, earthwork, enclosure, entanglement, escarp, escarpment, fastness, fence, fieldwork, fortalice, fortification, fortress, glacis, loophole, lunette, machicolation, mantelet, merlon, mound, outwork, palisade, parados, parapet, portcullis, postern gate, rampart, ravelin, redan, sally port, scarp, sconce, stockade, stronghold, tenaille, vallation, vallum, work