The most common and most likely answer to this crossword clue is the 7 letter word PRESSER
P
R
E
S
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The straight part
We know that "Laundry worker" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case laundry worker = presser.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 PRESSER mean?
PRESSER noun- A person or device that presses or squeezes.
- A member of a press-gang, who forces others into service.
- A person or device that removes wrinkles, usually from clothing.
- A press release.
- A press conference or press briefing.