heliograph

Etymology
From.

Noun

 * 1) An apparatus for signalling by means of a moveable mirror which reflects flashes of sunlight.
 * 2) A heliogram.
 * 3) An instrument for measuring the intensity of sunlight.
 * 4) A device for photographing the sun.
 * 5)  A photograph.
 * 1) An instrument for measuring the intensity of sunlight.
 * 2) A device for photographing the sun.
 * 3)  A photograph.

Verb

 * 1)  To send a message by heliograph.
 * 2)  To send a heliograph.
 * 3)  To photograph by sunlight.
 * 1)  To photograph by sunlight.