What does the cryptic crossword clue "Gold coin: train to clip top and bottom (5)" mean?

The definition is "Gold coin". The wordplay uses a deletion. DUCAT (deletion) + (deletion) = DUCAT; definition: "Gold coin:" The answer is DUCAT.

Gold coin: train to clip top and bottom (5)

Guardian Cryptic #29686 | 21 Down | 2025-05-05 flower