What does the cryptic crossword clue "Furious engineer ruins map (2,2,4)" mean?

The definition is "Furious". The wordplay uses an anagram. anagram of RUINS + MAP = UPINARMS; definition: "Furious" The answer is UPINARMS.

Furious engineer ruins map (2,2,4)

Independent Cryptic #12036 | 3 Down | 2025-05-07 flower