Pronunciation: (trem'bul), [key]
—v., -bled, -bling,
1. to shake involuntarily with quick, short movements, as from fear, excitement, weakness, or cold; quake; quiver.
2. to be troubled with fear or apprehension.
3. (of things) to be affected with vibratory motion.
4. to be tremulous, as light or sound: His voice trembled.
1. the act of trembling.
2. a state or fit of trembling.
3. trembles, (used with a singular v.)
a. Pathol.See milk sickness.
b. Vet. Pathol.a toxic condition of cattle and sheep caused by the eating of white snakeroot and characterized by muscular tremors.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.