American Heritage Dictionary
(1)
Century Dictionary
GNU Webster's 1913
WordNet
(1)
Elsewhere on the web
FME now enables organizations to translate and convert data between BAG, a widely recognized raster-based bathymetric data exchange format, and over 225 other formats supported by FME.— GISuser - GIS and Geospatial Technology News
The old, 90's method was, if you like, a 'raster' approach: everything was on a single layer.— Find Free Articles - ArticlesBase
Just as you cannot use crude raster gfx for many print jobs, crude raster-based 2D pagecode is long outdated for the modern Internet.— Find Free Articles - ArticlesBase
Developers can use a new pluggable graphics system that lets them select between raster, native graphics system, or the newly supported OpenGL ES 2.0.— WindowsForDevices.com

American Heritage Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word several times a year.