satellite/ˋsætḷ͵aIt; ˈsætəlaIt or ˈsætIlaIt/n [C] 1 a machine that is sent into space and travels around the Earth, moon etc. Satellites are used to send radio or television signals, or for other forms of communication 人造卫星: by/via satellite This broadcast comes live via satellite from New York. 本节目通过卫星从纽约现场直播。see box at见 SPACE1 方框2 a natural object such as a moon that moves around a PLANET 卫星