Screensaver

A screensaver (or screen saver) is a computer program that blanks the screen or fills it with moving images or patterns when the computer is not in use. Initially designed to prevent phosphor burn-in on CRT and plasma computer monitors (hence the name), screensavers are now used primarily for entertainment, security or to display system status inf...
Found on http://en.wikipedia.org/wiki/Screensaver

Screensaver

A moving image on a computer screen which appears when there has been no screen activity for a specific time. Screensaver programs were originally used to prevent damage to the screen
Found on http://www.encyclo.co.uk/local/22643

Screensaver

Means it saves the screen.
Found on https://www.encyclo.co.uk/local/20955
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