Dictionary.net

(Or "vector processor") A computer, or extensionto its arithmetic unit, that is capable of performingsimultaneous computations on elements of an array or tableof data in some number of dimensions.The IBM AltiVec (the "Velocity Engine" used in the AppleG4 computers) is a vector processor.Common uses for array processors include analysis of fluiddynamics and rotation of 3d objects, as well as dataretrieval, in which elements of a database are scannedsimultaneously. Array processors are very rare now (1998).Array presentation(http://cs.njit.edu/leon/105/c5/index.htm).