Webster's Revised Unabridged Dictionary · 1913

Camisade

Camisade , noun

[French camisade a night attack; compare Italian camiciata. See Camis.]

(a)
(Military) A shirt worn by soldiers over their uniform, in order to be able to recognize one another in a night attack.
(b)
(Military) An attack by surprise by soldiers wearing the camisado. [Obsolete]
Give them a camisado in night season. — Holinshed

Also: Camisado