18 across
See
2
Down
(4,)
See 2 Down (4,)
hints
0
checks
0
hints
The whole clue is the definition (& lit or double definition).
How the clue works
The definition is See KEEP Down — this is a cross-reference pointing you to 2 Down, where KEEP is the answer. Putting them together gives you "KEEP YOUR ___ DOWN", with YOUR as the linking word that ties the two answers into a phrase.