• synonyms


[fawr-strohk, fohr-]
adjective Machinery.
  1. four-cycle.
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Origin of four-stroke

First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for four-stroke

Historical Examples of four-stroke

  • A 3-cylinder two-stroke cycle engine therefore has the same capacity to do work as a 6-cylinder four-stroke cycle engine.

    The First Airplane Diesel Engine: Packard Model DR-980 of 1928

    Robert B. Meyer

  • The majority of petrol engines operate upon what is known as the four-stroke principle.

    The Aeroplane

    Claude Grahame-White and Harry Harper

  • Inventor of the four-stroke engine applied in the automotive industry.

British Dictionary definitions for four-stroke


  1. relating to or designating an internal-combustion engine in which the piston makes four strokes for every explosionUS and Canadian name: four-cycle Compare two-stroke
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012