What does the cryptic crossword clue "Part of tortoise arguably shell-like (3)" mean?

The definition is "shell-like". The wordplay uses a hidden word. Hidden in "part of tortoisE ARguably shell-like" The answer is EAR.

Part of tortoise arguably shell-like (3)

Independent Cryptic #11377 | 12 Across | 2023-03-30 flower