Carrier pigeon Reference Libraries
The Rock Pigeon, Columba livia, is a member of the bird family Columbidae. It has a restricted natural resident range in western and southern Europe, North Africa, and into southwest Asia. The domesticated Rock Pigeon, known as the feral or domestic pigeon, has been widely introduced elsewhere, and is common all over the world. The species was first introduced to North America in 1606 at Port...
- The navel or umbilicus.
- In Greek archaeology: A central boss, as on a shield, a bowl, etc.
- A sacred stone in the temple of Apollo at Delphi, believed by the Greeks to mark the 'navel' or exact center-point of the earth.