a projector operated by a speaker; projects the image over the speaker's head

Plural form of projector

A device that projects an image onto a screen or other surface, That which projects; specifically, a parabolic mirror, or a lens or combination of lenses, used for projecting a beam of light, One who projects a scheme or design; hence, one who forms fanciful or chimerical schemes

One who plans or forms a plan; a projector, A notebook or software in which one keeps notations of items such as appointments, tasks, projects, and contacts