Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun An engine, such as a turbine, in which power is supplied directly to vanes or other rotary parts.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun any of several types of internal combustion engine in which the power output is directly rotational

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun an internal-combustion engine having cylinders arranged radially around a central crankcase
  • noun an internal-combustion engine in which power is transmitted directly to rotating components

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