1. Disease of livestock and especially cattle poisoned by eating certain kinds of snakeroot
   "The cows exhibited symptoms of trembles after grazing in the new pasture";
   - milk sickness

1. A reflex motion caused by cold, fear or excitement
   "A tremble ran through his body as he stepped onto the stage";
   - shiver, shake

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

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

Encyclopedia: Trembles