Pronunciation: (kwāk), [key]
—v., quaked, quak•ing,
1. (of persons) to shake or tremble from cold, weakness, fear, anger, or the like: He spoke boldly even though his legs were quaking.
2. (of things) to shake or tremble, as from shock, internal convulsion, or instability: The earth suddenly began to quake.
1. an earthquake.
2. a trembling or tremulous agitation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.