from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Requiring four strokes of the piston for a cycle: a four-cycle internal-combustion engine.
from the GNU version of the Collaborative International Dictionary of English
- n. A four-stroke cycle, as the Otto cycle, for an internal-combustion engine.
from The Century Dictionary and Cyclopedia
- n. Same as four-phase cycle (which see, under internal-combustion motor).
Sorry, no etymologies found.