Collins Chinese Dictionary Plus (3rd edition), 2011:
海
hǎiI 名
1
(=海洋) ocean
- 地中海 Dìzhōnghǎi the Mediterranean Sea
- 海岸线(線) hǎi'ànxiàn coastline
2 (=湖泊) lake
3 (喻) (指数量) sea
- 人海 rénhǎi sea of people
- 火海 huǒhǎi inferno
II 形
extra large
- 你先不要夸海口,事后(後)再说(說)。 Nǐ xiān bùyào kuā hǎikǒu,shìhòu zài shuō. Don't go making wild boasts just yet let's wait until after the event.