- to draw off (liquid) gradually
- to draw water or any liquid from gradually so as to dry or empty: to drain swamps
- to receive the waters of: the St. Lawrence drains the Great Lakes
- to drink all the liquid from (a cup, glass, etc.)
- to exhaust (strength, emotions, or resources) gradually
- Obs. to filter
Origin of drainMiddle English dreinen from Old English dreahnian, to strain off, literally , to dry out from base of dryge, dry
- to flow off gradually
- to become dry by the drawing or flowing off of liquid
- to disappear gradually: his courage drained away
- to discharge its waters: central Europe drains into the Danube
- a channel or pipe for carrying off water, sewage, etc.
- a draining or exhausting
- that which gradually exhausts strength, resources, etc.
- Surgery a tube or other device for drawing off discharge, fluid, etc. from a cavity, wound, etc.
down the drain