Is this your crossword clue?
"zip" is also used as a crossword clue. If that's what you saw, the answer is often postcode (8 letters).
Definitions
close with a zipper
Used in a sentence
“I know zip about economics.”
“`Zip!' Just like that, an exquisitely shaped fragment of a flashing rainbow in flight flits across in front of us[.]”
“Zip your lip!”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer6 curated clues
01“Close with a fastener”3 letters
02“Fastener on a jacket”3 letters
03“Fly along”3 letters
04“Move with speed”3 letters
05“Postal code part”3 letters
06“Fastener”3 letters
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