noun
- Rainier Louis Hen·ri Max·ence Ber·trand de Gri·mal·di [lwee ahn–ree mak-sahns ber–trahn duh gree-mal dee] /lwi ɑ̃ˈri makˈsɑ̃s bɛrˈtrɑ̃ də gri mal ˈdi/, Prince of Monaco,1923–2005, reigning prince of Monaco 1949–2005.
noun
- full name Rainier Louis Henri Maxence Bertrand de Grimaldi . 1923–2005, ruling prince of Monaco from 1949. He married (1956) the US actress Grace Kelly (1929–82)