Robur is Latin for "hard timber" or "oak", and, by metaphorical extension, "strength". It can refer to: Robur the Conqueror, an 1886 novel by Jules Verne, also known as The Clipper of the Clouds Master of the World (novel), Verne's sequel novel, starring the same character Robur (truck), an East German truck brand Robur Carolinum (Latin for Charles' oak), a constellation named by the English astronomer Sir Edmond Halley in 1679 Robur (company), a wholesale coal merchant See also Robor, the Gaulish god