#ratite bird

• Female runner — 1. A woman who practices running as a sport or physical exercise; a female track or marathon athlete. 2. That which runs, swift-footed, characterized by rapid movement. 3. A bird or animal structurally adapted for rapid terrestrial locomotion (e.g., ratites/running birds like the ostrich). 4. Historically, a popular name given to a fast-flowing river or the upper, mobile stone of a traditional grinding mill.