Worker came out of pantry to have a snoop (3)

I believe the answer is:

pry

I'm a little stuck... Click here to teach me more about this clue!

'a snoop' is the definition.
(I've seen this before)

I don't understand how the rest of the clue works.

(Other definitions for pry that I've seen before include "Enquire too inquisitively" , "Be nosy" , "Stick nose into other's business" , "Interfere" , "Intrusively enquire" .)

I've seen this clue in The Irish Times.

Want a hint initially instead of a full solution? Install my app