an object that is used to project rays of light, especially an apparatus with a system of lenses for projecting slides or film on to a screen 投影仪;放映机;幻灯机
(archaic)a person who plans and sets up a project or enterprise (古)计划人,规划人 ■a promoter of a dubious or fraudulent enterprise (可疑或欺诈性事业的)创办人