Link to this page noun: A backward flow of water, since through the action of oars. See backrush. A backward airflow, as from propeller of an aircraft. a direct result a conference; an aftermath. The backward movement of liquid from oars or propeller. The comparable flow of air from an aircraft motor. the effect or result of an event; an aftermath. The saliva, spit or meals particles which have flowed back in a drink after somebody has drunk as a result. The flow of water propelled backward by the propeller, paddle wheel, or oars of a boat. The backward moving air within the wash of an airplane, caused mainly because of the motor. In worsted manuf., an ongoing process of washing the carded sliver of wool by-passing it through hot suds. The disturbed water tossed aft because of the action for the oars, paddle-wheels, or propeller of a boat. the revolution that spreads behind a boat because it moves forward the results of an event (especially a catastrophic occasion) the airflow which driven backwards by an aircraft propeller View More verb-transitive: to completely clean the oil from (wool) after combing. To clean (a filter, a chromatography line, a water softener, etc.) by passing liquid through into the reverse of normal way of flow. This procedure dislodges particles which clog the skin pores of the filter or line packaging, eliminating all of them through the filter or line. View More others: To cleanse from oil, as wool after combing. To susceptible to the back-wash of a boat which will be forward or is driving. View More Related Sources Definition for "backwash" A backward flow of water, since through the… View More Sentence for "backwash" Verb Forms for "backwash" Phrases for "backwash" Hypernym for "backwash" Etymologically Related for "backwash" Same Context for "backwash" Sports Dictionary for "backwash"