盟山誓海 méngshānshìhǎi to pledge undying love Origin Definitions Defs Strokes Stroke Words Sentences Sents 盟 méng oath (bound form) an oath or solemn pledge; to swear or vow山 shān noun mountain mountain; hill; range誓 shì noun vow (bound form) an oath or a solemn vow; a pledge made to others海 hǎi noun sea ocean or sea; large bodies of water including salt lakes or large inland lakes