(Beta Canis Majoris) The fourth brightest star in the constellation Canis Major; its Arabic name (also spelled `Murzim”) suggests that it is an `announcer” of Sirius, as Mirzam rises first, but the exact meaning is unclear. Mirzam is a hot giant B star, coming to the end of its ... Found on http://www.daviddarling.info/encyclopedia/M/Mirzam.html