What does the cryptic crossword clue "Linesman held by fraud enforcement (5)" mean?

The definition is "Linesman". The wordplay uses a hidden word. Hidden in fr aud en forcement. Refers to the poet WH Auden. The answer is AUDEN.

Linesman held by fraud enforcement (5)

Independent Cryptic #11980 | 13 Across | 2025-03-03 flower