drain

Noun
  1. Emptying something accomplished by allowing liquid to run out of it (synset 100396837)
    is a type of: emptying, evacuation, voidance - the act of removing the contents of something
    same as: drainage
  2. Tube inserted into a body cavity (as during surgery) to remove unwanted material (synset 103236861)
    referred to in: surgery - the branch of medical science that treats disease or injury by operative procedures
    is a type of: tube, tubing - conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
  3. A pipe through which liquid is carried away (synset 103236615)
    is a type of: pipage, pipe, piping - a long tube made of metal or plastic that is used to carry water or oil or gas etc.
    subtypes:
    • culvert - a transverse and totally enclosed drain under a road or railway
    • scupper - drain that allows water on the deck of a vessel to flow overboard
    • cloaca, sewer, sewerage - a waste pipe that carries away sewage or surface water
    • soil pipe - drain that conveys liquid waste from toilets, etc.
    • trap - drain consisting of a U-shaped section of drainpipe that holds liquid and so prevents a return flow of sewer gas
    same as: drainpipe, waste pipe
  4. A gradual depletion of energy or resources (synset 101064179)
    "a drain on resources"; "a drain of young talent by emigration"
    is a type of: depletion - the act of decreasing something markedly
    subtypes:
    • drawing, drawing off - act of getting or draining something such as electricity or a liquid from a source
    • brain drain - depletion or loss of intellectual and technical personnel
Verb
  1. Flow off gradually (synset 202075385)
    "The rain water drains into this big vat"
    is a type of: course, feed, flow, run - move along, of liquids
    same as: run out
  2. Deplete of resources (synset 201160320)
    "The exercise class drains me of energy"
    is a type of: consume, deplete, eat, eat up, exhaust, run through, use up, wipe out - use up (resources or materials)
  3. Empty of liquid;
    Drain the liquid from (synset 200452603)
    "We drained the oil tank"
    is a type of: empty - make void or empty of contents
  4. Make weak (synset 200390309)
    "Life in the camp drained him"
    is a type of: weaken - lessen the strength of
    subtypes: emaciate, macerate, waste - cause to grow thin or weak
    same as: debilitate, enfeeble

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