Earthquake /(?)/

Earth·quake

Earthquake

n.
  1. A shaking, trembling, or concussion of the earth, due to subterranean causes, often accompanied by a rumbling noise. The wave of shock sometimes traverses half a hemisphere, destroying cities and many thousand lives; -- called also earthdin, earthquave, and earthshock.

Phrases & Compounds
Earthquake alarm
a bell signal constructed to operate on the theory that a few seconds before the occurrence of an earthquake the magnet temporarily loses its power.

Earthquake

a.
  1. Like, or characteristic of, an earthquake; loud; startling.
    The earthquake voice of victory.