What does the cryptic crossword clue "Develop dilapidated US port (6)" mean?

The definition is "Develop". The wordplay uses an anagram. anagram of US + PORT = SPROUT; definition: "Develop" The answer is SPROUT.

Develop dilapidated US port (6)

Independent Cryptic #11998 | 24 Down | 2025-03-24 flower