1883, from French rastaquouère, rastacouère (19c.) “social intruder, upstart” (especially one of exaggerated manners and dress, from a Mediterranean or South American country), thus “dashing but untrustworthy foreigner.” Short form rasta attested from 1905. According to French sources, the word is from South American Spanish rastacuero “upstart,” from arrastrar “to drag, pull, tow, trail along the ground” + cuero “leather.” Arrastrar is said to be from Spanish rastro “rake,” from Latin rastrum (see raster), while cuero is from Latin corium (see corium).
[ras-ter] /ˈræs tər/ noun 1. Television. a pattern of scanning lines covering the area upon which the image is projected in the cathode-ray tube of a television set. 2. Computers. a set of horizontal lines composed of individual pixels, used to form an image on a CRT or other screen. /ˈræstə/ noun 1. a pattern […]
- Raster blaster
hardware, jargon (Cambridge) Specialised hardware for bitblt operations (a blitter). Allegedly inspired by “Rasta Blasta”, British slang for the sort of portable stereo Americans call a “boom box” or “ghetto blaster”. [Jargon File] (1995-03-22)
Single Image Random Dot Stereogram
- Raster burn
1. (Or terminal illness) Eyestrain brought on by too many hours of looking at low-resolution, poorly tuned, or glare-ridden monitors, especially graphics monitors. 2. The “burn-in” condition your CRT tends to get if you don’t use a screen saver. [Jargon File]