The most common and most likely answer to this crossword clue is the 6 letter word CLEANS
I've seen this crossword clue in Financial Times
C
L
E
A
N
S
More clues leading to the result CLEANS
- Washes cold meat – first requirement for safety
- Sponges found by climber heading to slopes
- Decontaminates front of chairlift next to slopes
- Does for English beset by groups of Scots
- Wipes the French containers on the outside
- Removes dirt from club tips
- Director’s after Charlie’s guts?
- Rubs clue out essentially going with answer
Buddy explains!

The straight part
We know that "Washes" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case washes = cleans.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does CLEANS mean?
CLEANS noun- Removal of dirt.
- The first part of the event clean and jerk in which the weight is brought from the ground to the shoulders.
- To remove dirt from a place or object.
- To tidy up, make a place neat.
- To remove equipment from a climbing route after it was previously lead climbed.
- To make things clean in general.
- To remove unnecessary files, etc. from (a directory, etc.).
- To brush the ice lightly in front of a moving rock to remove any debris and ensure a correct line; less vigorous than a sweep.
- To purge a raw of any blemishes caused by the scanning process such as brown tinting and poor color contrast.
- To remove guts and/or scales of a butchered animal.