Fort definition is - a strong or fortified place especially a fortified place occupied only by troops and surrounded with such works as a ditch, rampart, and parapet fortification.
Fort a fortified place occupied by troops an army post the fort was well guarded. Not to be confused with forte (pronounced fort) an activity one excels in talent, skill, knack the painting of landscapes is his forte. (pronounced fortay) a direction in music to play loud and with force (opposed to piano, meaning soft subdued) abused.
A building or group of buildings contained in an area enclosed by a strong wall and designed to be used by soldiers in defending against attack (definition of fort from the cambridge academic content dictionary.).
Fort definition, a strong or fortified place occupied by troops and usually surrounded by walls, ditches, and other defensive works a fortress fortification.