Female undergarments; possibly bloomers (5)

I believe the answer is:

slips

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

'female undergarments' is the definition.
'slips' can be an answer for 'undergarments' (slip is a kind of undergarment). I am not sure about the 'female' bit.

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

Can you help me to learn more?

(Other definitions for slips that I've seen before include "They try to catch you" , "errors" .)

I've seen this clue in The Globe and Mail.

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