Check place to get assistance (5)

I believe the answer is:

plaid

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

'check' is the definition.
(thesaurus)

I don't understand the remainder of the clue.

(Other definitions for plaid that I've seen before include "Tartan twilled cloth" , "Tartan twill cloth" , "Cloth with tartan pattern" , "Cloth with a criss-cross design" , "party in Wales" .)

I've seen this clue in The Sunday Times and The Times.

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