Bible Dictionaries
Redan

Webster's Dictionary

(1):

(n.) A step or vertical offset in a wall on uneven ground, to keep the parts level.

(2):

(n.) A work having two parapets whose faces unite so as to form a salient angle toward the enemy.

Bibliography Information
Webster, Noah. Entry for 'Redan'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​r/redan.html. 1828.