What does the cryptic crossword clue "Tiger seen wandering – but certainly not here (9)" mean?

The definition is "here". The wordplay uses an anagram. anagram of TIGER + SEEN = SERENGETI; definition: "here" The answer is SERENGETI.

Tiger seen wandering – but certainly not here (9)

Guardian Cryptic #29287 | 10 Across | 2024-01-24 flower