海里 hǎilǐ nautical mile Definitions Defs Origin Strokes Stroke Words Sentences Sents hǎilǐ nautical mile 海 hǎi noun sea ocean or sea; large bodies of water including salt lakes or large inland lakes里 lǐ noun li unit of distance, currently standardized as 500 meters or half a kilometer; historically approximately 300 or 360 paceshǎilǐ in the sea 海 hǎi noun sea ocean or sea; large bodies of water including salt lakes or large inland lakes里 裡 lǐ locative inside internal; interior; inside