fortresses

Noun

fortress (plural fortresses)

1. A fortified place; a large and permanent fortification, sometimes including a town; for example a fort, a castle; a stronghold; a place of defense or security.
   • Like the Mesolithic age of 10,000-8000 B.C., the period 6000-4000 B.C. seems to be one of the fall of fortresses and the rise of pastoral nomadism.1981, William Irwin Thompson, The Time Falling Bodies Take to Light: Mythology, Sexuality and the Origins of Culture, London: Rider/Hutchinson & Co., page 160
2. A position that, if obtained by the weaker side, will prevent penetration by the opposing side, generally achieving a draw.

See all 3 meanings of fortress