a glass tube with a hollow rubber bulb at one end and a small opening at the other, for drawing in a liquid and expelling it in drops; medicine dropper.
3.
a short-haired dog that is a cross between a pointer and a setter.
Main Entry: drop·per Pronunciation: 'dräp-&r Function: noun : a short glass tube fitted with a rubber bulb and used to measure liquids bydrops called also eyedropper,medicine dropper —drop·per·ful/-"ful/noun
dropper drop·per (drŏp'ər) n. A device that produces drops, especially a small tube with a suction bulb at one end for drawing in a liquid and releasing it in drops. Also called instillator.