camisado
A nocturnal ambush or surprising act of aggression.
archaic
the English doubting least the Scots minded to give them a camisado that night
A shirt worn by soldiers over their uniform, in order to be able to recognize one another in a night attack.
obsolete
Where it comes from
Borrowed from Spanish encamisado (“shirted”).
Adapted from the Wiktionary entry camisado (CC BY-SA 4.0).