What does the cryptic crossword clue "Capture mate briefly turning up (6)" mean?

The definition is "Capture". The wordplay uses a reversal. PARTNE (reversal="PARTNE") = ENTRAP; definition: "Capture" The answer is ENTRAP.

Capture mate briefly turning up (6)

Times Cryptic #28737 | 5 Down | 2023-10-18 flower