1. backwash - Noun
2. backwash - Verb
To clean the oil from (wood) after combing.
Source: Webster's dictionaryThe celebrated earthy tactility of Rabelais is a massive backwash of receding manuscript culture. Marshall McLuhan
Sir, pay no attention to the people who say the glass is half empty, because 32% means it's 2/3 empty. There's still some liquid in that glass, is my point. But I wouldn't drink it. The last third is usually backwash. Stephen Colbert
the aftermath of war Source: Internet
in the wake of the accident no one knew how many had been injured Source: Internet
the motorboat's wake capsized the canoe Source: Internet
At issue are changes that need to be made to a backwash tank, construction of which was complicated by the discovery of unexpected groundwater at the site. Source: Internet