Dou"ble deal"er (?). One who practices double dealing; a deceitful, trickish person. L'Estrange.
Dou"ble deal"ing (?). False or deceitful dealing. See Double dealing, under Dealing. Shak.
Dou"ble-deck"er (?), n. 1. (Naut.) A man-of-war having two gun decks.