From Wiktionary, the free dictionary
From Hainanese 海南 (Hái-nâm). Doublet of Hainan and Hailam.
Hainam
- An island off the coast of southern China.
- Synonyms: Hainan, Hailam
- A province off the coast of southern China, primarily made up of Hainam Island.
- Synonyms: Hainan, Hailam