\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}.]

\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.]