Redoubt

1.

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.

2.

In permanent works, an outwork placed within another outwork.

1.

(TRANSITIVE) To stand in dread of; to regard with fear; to dread.