What does the cryptic crossword clue "Novice lot uncle trained as a band, maybe (10,4)" mean?

The wordplay uses an anagram. anagram of NOVICE + LOT + UNCLE = COLLECTIVENOUN The answer is COLLECTIVENOUN.

Novice lot uncle trained as a band, maybe (10,4)

Daily Mail Cryptic #17218 | 1 Down | 2023-10-31 flower