(n): the motion characteristic of fluids (liquids or gases)
(n): the sound of a liquid falling drop by drop
(n): the sudden occurrence of an audible event
(n): (architecture) a projection from a cornice or sill designed to protect the area below from rainwater (as over a window or doorway)
(n): any structure that branches out from a central support
(v): fall in drops
(v): move downward and lower, but not necessarily all the way
(v): let or cause to fall in drops
(v): cause to run
A continuous infusion of some medicine into someone's vein. Drip medicines give a constant dose but require lots of nursing attention because it's always on, and because many of them have rates that have to be dialed up or down based on some parameters.
To be put on a drip means to begin a continuous infusion.