What's the difference between barbacan and barracan?
Barbacan
Definition:
(n.) See Barbican.
(n.) A tower or advanced work defending the entrance to a castle or city, as at a gate or bridge. It was often large and strong, having a ditch and drawbridge of its own.
(n.) An opening in the wall of a fortress, through which missiles were discharged upon an enemy.
Example Sentences:
(1) The biotopes are isolated houses with little gardens surrounded by dry-stone walls exhibiting holes named "barbacanes", with chalky soil and xerophytes.
Barracan
Definition:
(n.) A thick, strong stuff, somewhat like camlet; -- still used for outer garments in the Levant.