·noun Wide and general destruction; devastation; waste.
II. Havoc ·noun A cry in war as the signal for indiscriminate slaughter.
III. Havoc ·vt To Devastate; to Destroy; to lay waste.
Formerly a war cry, and the signal for indiscriminate slaughter. Thus Shakspeare, "Cry havoc! and ...
The Sailor's Word-Book