What does the cryptic crossword clue "Garment I see on delinquent (6)" mean?

The definition is "Garment". The wordplay uses an anagram. anagram of I + SEE + ON = ONESIE; definition: "Garment" The answer is ONESIE.

Garment I see on delinquent (6)

Guardian Cryptic #29492 | 27 Across | 2024-09-19 flower