Word Study
raster
WORDNET DICTIONARY
Noun raster has 1 sense
- raster(n = noun.artifact) Array - the rectangular formation of parallel scanning lines that guide the electron beam on a television screen or a computer monitor; Array is a part of display, video display
is a kind of formation
has parts: pel, picture element, pixel
Derived form verb rasterize1
OXFORD DICTIONARY
raster, n. a pattern of scanning lines for a cathode-ray tube picture.
Etymology
G, = screen, f. L rastrum rake f. radere ras- scrape
For further exploring for "raster" in Webster Dictionary Online