- an enclosed place or fortified building for military defense, equipped as with earthworks, guns, etc.
- a permanent army post, as distinguished from a temporary camp
Origin of fortMiddle English forte, origin, originally adjective , strong from Classical Latin fortis from Old Latin forctus from Indo-European base an unverified form bhere?h-, high, elevated from source Sanskrit b??hati, (it) strengthens, elevates, Old High German berg, hill
hold the fort
- to make a defensive stand
- Informal to keep things in operation; remain on duty, etc.