Nouns

(n)washa thin coat of water-base paint
(n)wash, washing, lavationthe work of cleansing (usually with soap and water)
(n)wash, dry washthe dry bed of an intermittent stream (as at the bottom of a canyon)
(n)washout, washthe erosive process of washing away soil or gravel by water (as from a roadway)“from the house they watched the washout of their newly seeded lawn by the water”
(n)slipstream, airstream, race, backwash, washthe flow of air that is driven backwards by an aircraft propeller
(n)wash, wash drawinga watercolor made by applying a series of monochrome washes one over the other
(n)laundry, wash, washing, washablesgarments or white goods that can be cleaned by laundering
(n)washany enterprise in which losses and gains cancel out“at the end of the year the accounting department showed that it was a wash”

Verbs

(v)wash, rinseclean with some chemical process
(v)wash, lavecleanse (one's body) with soap and water
(v)wash, laundercleanse with a cleaning agent, such as soap, and water“Wash the towels, please!”
(v)washmove by or as if by water“The swollen river washed away the footbridge”
(v)washbe capable of being washed“Does this material wash?”
(v)washadmit to testing or proof“This silly excuse won't wash in traffic court”
(v)washseparate dirt or gravel from (precious minerals)
(v)washapply a thin coating of paint, metal, etc., to
(v)wash, wash out, wash off, wash awayremove by the application of water or other liquid and soap or some other cleaning agent“he washed the dirt from his coat”, “The nurse washed away the blood”, “Can you wash away the spots on the windows?”, “he managed to wash out the stains”
(v)washform by erosion“The river washed a ravine into the mountainside”
(v)moisten, wash, dampenmake moist“The dew moistened the meadows”
(v)lave, lap, washwash or flow against“the waves laved the shore”
(v)hush, washwash by removing particles“Wash ores”
(v)washto cleanse (itself or another animal) by licking“The cat washes several times a day”