The Collaborative International Dictionary
Fortalice \Fort"a*lice\, n. [LL. fortalitia, or OF. fortelesce. See Fortress.] (Mil.) A small outwork of a fortification; a fortilage; -- called also fortelace.
Wiktionary
n. (context archaic English) A small fortress.
Usage examples of "fortalice".
Again, in Arles and Nimes, and other towns that I could name, there are the great arches and fortalices still standing which were built of old by giant men who came from the south.
It is my custom, dearling, and hath been since I have first known thee, to proclaim by herald in such camps, townships, or fortalices as I may chance to visit, that my lady-love, being beyond compare the fairest and sweetest in Christendom, I should deem it great honor and kindly condescension if any cavalier would run three courses against me with sharpened lances, should he chance to have a lady whose claim he was willing to advance.