(In bridge and whist) a suit that is not trumps.
- For the sake of clarity, it is worth pointing out that where a lead of a plain suit has been trumped by the second player to a trick and the third to play also has no cards in the suit led, then the third player must still overtrump if possible.
- If a plain suit lead has been trumped, it is illegal to undertrump unless by doing so one creates a K-Q or K-Q-J combination in the trick.
- The suit of the lowest of these cards, in plain suit order, determines trumps.
For editors and proofreaders
Line breaks: plain suit
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