- an incendiary mixture of unknown composition, used in warfare in medieval times by Byzantine Greeks.
- any of a group of inflammable mixtures; wildfire.
Origin of Greek fire
First recorded in 1820–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for greek fire
Greek-fire was the precursor of gunpowder; it was the oleum incendiarum of the Romans.The Browning Cyclopdia
- a Byzantine weapon employed in naval warfare from 670 ad. It consisted of an unknown mixture that, when wetted, exploded and was projected, burning, from tubes
- any of several other inflammable mixtures used in warfare up to the 19th century