1. [noun] A trembling or shaking.
2. [noun] An earthquake, a trembling of the ground with force.
3. [verb] (intransitive) To tremble or shake.
4. [verb] (transitive) (obsolete) To cause to tremble or shake.
5. [noun] Shaking and vibration at the surface of the earth resulting from underground movement along a fault plane of from volcanic activity.
6. [verb] Shake with fast, tremulous movements; 'His nostrils palpitated'.
7. [verb] Shake with seismic vibrations; 'The earth was quaking'.
