D defs.my
Entry 2 senses · 2 variants Webster, 1913

Earthquake

/ẽrth'-kwākˌ/ · Earth·quake · IPA /ˈɝθkweɪk/
01 n. A shaking, trembling, or concussion of the earth, due to subterranean causes, often accompanied by a rumbling noise. The wave of shock some…
  1. 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. Also: earthdin, earthquave, 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.
02 a. Like, or characteristic of, an earthquake; loud; startling.
  1. 1.
    Like, or characteristic of, an earthquake; loud; startling.
    “The earthquake voice of victory.” Byron.