Cards of Re-entry.—A winning card which will bring into play another suit. Sometimes the re-entry is in the suit itself, but when a suit with a re-entry is spoken of, it means that the re-entry is in another suit.
Chicane.—A hand dealt without a trump.
Command.—The best card or cards of a suit. The ability to stop the suit at any time.
Coup.—A brilliant play resulting in gain.
Covering.—Putting a higher card on the trick when not the last player.
Cross-ruff.—When two suits are being trumped by opposite hands.
Des Chapelles Coup.—Sacrificing a high card, by leading it to make an entry card for your partner’s hand.
Discarding.—When unable to follow suit, throwing away a card of a suit which is not trumps.
Doubling.—Increasing the value of the trick points.
Doubtful Cards.—Cards which may or may not win tricks.