80. This circle of waggons, the Carrago, was the usual
fortification of the barbarians (Vegetius de Re Militari, 1.
iii. c. 10. Valesius ad Ammian. xxxi. 7). The practice and
the name were preserved by their descendants as late as the
fifteenth century. The Charroy, which surrounded the
0st, is a word familiar to the readers of Froissart, or
Comines.