Part of the Operating systems glossary: Mac OS is the computer operating system for Apple Computer's Macintosh line of personal computers and workstations. A popular feature of its latest version, Mac OS X, is a desktop interface with some 3-D appearance characteristics.
Nine 3-year-olds were entered for the 138th Preakness Stakes: The Preakness post position draw was held at the International Pavilion in the Pimlico Infield at 6 p.m. on May 15, 2013 and were broadcast live on HRTV using a blind draw. After the draw Orb was installed as the even money favorite securing the rail.
1 Whimsical (horse) (born 1903), 1906 winner of the Preakness Stakes.  2 Whimsical, a song by Days of the New from their 1997 album Days of the New (also known as the Orange album)  Whimsical Stakes, a Canadian Thoroughbred horse race run annually in mid April at Woodbine Racetrack in Toronto, Ontario.