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1. Disease of livestock and especially cattle poisoned by eating certain kinds of snakeroot
   - milk sickness

1. A reflex motion caused by cold or fear or excitement
   - shiver, shake

1. Move or jerk quickly and involuntarily up and down or sideways
   "His hands were trembling when he signed the document"

See also: trembler, trembling

Type of: agitate, animal disease, inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response, shake, unconditioned reflex

Encyclopedia: Tremble