re·doubt 
(rĭ-dout)
(rĭ-dout)n.
1. A small, often temporary defensive fortification.
2. A reinforcing earthwork or breastwork within a permanent rampart.
3. A protected place of refuge or defense.
[French redoute, from Italian ridotto, from Medieval Latin reductus, concealed place, from Latin, past participle of redūcere, to withdraw, lead back; see REDUCE.]
- nonproliferation
- nonproprietary name
- nonpros
- non prosequitur
- nonreader
- nonrecombinant
- nonrecoverable
- non-REM sleep
- nonrenewable
- nonrepresentational
- nonresidence
- nonresidency
- nonresident
- nonresistance
- nonresistant
- nonrestrictive
- nonreturnable
- nonrigid
- nonscheduled
- nonsectarian
- nonsectarianism
- nonsedating
- nonself
- nonsense
- nonsense verse