Noah Webster
Fortress
FOR'TRESS, noun
1. Any fortified place; a fort; a castle; a strong hold; a place of defense or security. The English have a strong fortress on the rock of Gibraltar, or that rock is a fortress
2. Defense; safety; security;
The Lord is my rock, and my fortress Psalms 18:2.
FOR'TRESS, verb transitive To furnish with fortresses; to guard; to fortify.