what is the definition of locomotion

FACTS: Shoeless Joe batted over .300 in all of his 11 full major league seasons. His .356 lifetime batting average is third-highest in major league baseball history. In 1911 he hit a fantastic .408 of what was essentially his rookie season, setting a rookie record that still stands greater than a hundred years later. Ironically, Ty Cobb hit .420 that season, denying Joe the league batting title. Despite his .356 lifetime average, Jackson never won a league batting crown. On April 20, 1912, Joe scored the initial run in Tiger Stadium history. Jackson won his only World Series championship using the White Sox in 1917. '10 February. The Peregrine flew north across the valley. He was half miles away, but I could see the brown and black of his wings, the shining gold of his back. The pale cream of his tail coverts looked like a band of straw twisted across the base of his tail. Thinking he'd return downwind, I went into fields with the river to watch for him. I stood in the lee of the hawthorn hedge, looking through it on the north, sheltered in the bitter wind'