flatbed scannerBrE /ˌflætbed ˈskænə(r)/ 🔊NAmE /ˌflætbed ˈskænər/ 🔊 (also flatˈbed) noun (computing 计算机) a scanner (= device for copying pictures and documents so that they can be stored on a computer) on which the picture or document can be laid flat for copying 平板扫描仪