A room devoted to card-playing or in which card-playing is carried on.(noun)
The Century Dictionary (Public Domain)
Use "card-room" in a sentence
"Only a couple of days after the theatre I was cut stone dead by someone a deal more important - the Prince of Wales, no less, shied violently away from me in the United Service card-room, and hightailed it as fast as his ponderous guts would let him, giving me a shifty squint over his shoulder as he went."
"In fact, it was George Paget, who'd commanded the 4th Lights in the charge, who put the thing to me point-blank in the card-room at White's (can't imagine what I was doing there; must have been somebody's guest) in front of a number of people, civilians mostly, but I know Spottswood was there, and old Scarlett of the Heavies, I think."
"Seven months later, the operating plan that resulted has kept the club ever-so-slightly ahead of the game and the members, Mr. Claisse believes, relatively happy despite occasional card-room grumbling."