dropper

• ⇰ One who, or that which, drops.
• ⇰ A dropping tube, usually of glass or plastic with a narrow opening at the tip and a rubber bulb at the top which can be squeezed to control intake or outflow of the fluid. The word is used in combinations with obvious significance, as eye dropper, medici
• ⇰ A branch vein which drops off from, or leaves, the main lode.
• ⇰ A dog which suddenly drops upon the ground when it sights game, -- formerly a common, and still an occasional, habit of the setter.