Definition of "tremor" []

• A shaking or vibrating movement, as of the earth. (noun)
• A trembling or quivering effect: a tremor of aspen leaves. (noun)
• An involuntary trembling or quivering, as from nervous agitation or weakness. (noun)
• A nervous quiver or thrill: felt a tremor of joy. (noun)
• A state or feeling of nervous agitation or tension. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "When severe, this withdrawal is characterized by tremor, restlessness, perceptual disturbances, disorientation, and clouded sensorium."
• "Absolute stillness broods over them; no tremor is discernible in leaf or petal; the wide blue flowers gaze up intently into the wide blue sky."
• "Journal Community Friday's quake recorded seven on the Japanese scale in part of northern Japan where the tremor was the most intense."