verb (used with object)
verb (used without object)
- an artificial watercourse, as a ditch or trench.
- a natural watercourse modified to increase its flow of water.
- to become worthless or profitless.
- to go out of existence; disappear.
Origin of drain
Word Origin for drain
Old English dreahnian "to drain, strain out," from Proto-Germanic *dreug-, source of drought, dry, giving the English word originally a sense of "make dry." Figurative meaning of "exhaust" is attested from 1650s. The word is not found in surviving texts between late Old English and the 1500s. Related: Drained; draining.
1550s, from drain (v.).
go down the drain
see down the drain.
see brain drain; down the drain.