Definition:
				
				
				- (n.) A work having two parapets whose faces unite so as to form a salient angle toward the enemy.
 
				
				- (n.) A step or vertical offset in a wall on uneven ground, to keep the parts level.
 
				
				
			
			
			
			Compare redan with other words:
			
			
			redan vs. sedan
			
			
			
			
			
			redan vs. tambour
			
			
			
			
			
			fortification vs. redan