- a small isolated fortress, or one of a series of such fortresses, of the ancient Romans.
Origin of castellum
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for castellum
It was then a question which word should prevail,—tour (turris), or chastel (castellum).The Story of London
Henry B. Wheatley
I doubt whether the walls of any Roman castellum could have resisted such a ram.My Autobiography
F. Max Mller
In the north-east s before t is still retained—Walloon chestai (chteau, castellum), fiess (fte).
On a jutting crag of rock, in plain view from the town below, is an ancient Roman castellum.Italian Highways and Byways from a Motor Car
Every castle that they took was burned and destroyed, like Sir Ingelric's castellum at Speen.A Legend of Reading Abbey