# Haikou

> English word · Proper noun

## Definitions
1. The capital and most populous city of Hainan province, China; located on the north side of Hainan island.

## Etymology
From Mandarin 海口 (Hǎikǒu).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/haikou