From Wiktionary, the free dictionary
From Mandarin 博鰲／博鳌 (Bó'áo) Wade-Giles romanization: Po²-ao².
Po-ao
- Alternative form of Bo'ao
1937, National Quarantine Service Reports[1], →OCLC, page 18:Other harbours may be enumerated:[...]Po-ao (博鰲) on the east, has extensive sand banks.
