What does the cryptic crossword clue "Holds good bastion in the wars (7)" mean?

The definition is "Holds good". The wordplay uses an anagram. anagram of BASTION = OBTAINS; definition: "Holds good" The answer is OBTAINS.

Holds good bastion in the wars (7)

Times Cryptic #28898 | 4 Down | 2024-04-23 flower