A fire began before a forest or prairie fire burning only against the wind, in order that when the two fires meet both must go out for decreased gasoline.
A premature explosion in cylinder of a gas or oil motor during exhaust or perhaps the compression swing, maintaining drive the piston in a direction reverse to that particular by which it must travel; also referred to as a knock or ping.
an explosion within the fatigue passages of an internal combustion motor.
to quit an advancing fire by setting in front of it, or just around threatened buildings, woods, etc., another fire, that is then beaten away, hence producing a protective burnt location.
To light before the appropriate time: said particularly of a gas-engine once the charge explodes ahead of the admission-valve closes, hence making an explosion in the admission-passage, or before the working-piston achieves its dead-center, which it must do before you begin its working stroke. See back-firing.