lo·co·mo·tion /ˌlokəˈmoʃən/ 名詞
1. The act of moving from place to place. “ Animal locomotion.” --Milton.
2. The power of moving from place to place, characteristic of the higher animals and some of the lower forms of plant life.
n 1: the power or ability to move [syn: motive power, motivity]
2: self-propelled movement [syn: travel]