What does the cryptic crossword clue "Art, I bet, designed for clerical cap (7)" mean?

The definition is "cap". The wordplay uses an anagram. anagram of ART, + I + BET, = BIRETTA; definition: "cap" The answer is BIRETTA.

Art, I bet, designed for clerical cap (7)

Daily Mail Cryptic #17366 | 1 Down | 2024-05-27 flower