from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Archaic A defensive structure or position; a fortress.
- n. Archaic A small fort.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A small fortress.
from the GNU version of the Collaborative International Dictionary of English
- n. A small outwork of a fortification; a fortilage; -- called also fortelace.
from The Century Dictionary and Cyclopedia
- n. A small fort, or a small outwork of a fortification.
Middle English, from Medieval Latin fortalitia; see fortress.(American Heritage® Dictionary of the English Language, Fourth Edition)
From mediaeval Latin fortalitia, from fortis ‘strong’. (Wiktionary)