Definition of "two-stroke" [two-stroke]

• As a determiner, of a type of internal combustion engine, the working cycle of which is completed during two strokes of the piston. (noun)
• The fuel used in a two-stroke engine. (noun)
• Coca-Cola (noun)

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• "Dustin Johnson grounded his club in a bunker he didn't know he was in at the PGA Championship, and the PGA of America notified him of the two-stroke penalty before he signed his card, knocking him out of a playoff."
• "Wilson risked a two-stroke penalty on the 14th hole when his club grazed the sand as he replaced his ball, having marked it to allow Rose to play."
• "Most general breaches that in medal play invoke a two-stroke penalty, such as playing a wrong ball (as Mr. Fowler did in a foursomes match at the Ryder Cup), result in match play in loss of the hole."