'minicomputer' definitions:

Definition of 'minicomputer'

From: WordNet
noun
A digital computer of medium size

Definition of 'minicomputer'

From: GCIDE
  • minicomputer \minicomputer\ n. (Computers) a mid-sized digital computer; at any given point in the development of computer technology, a minicomputer will be faster and have greater capacity than a microcomputer, but will be slower and have less capacity than a {mainframe computer}. [WordNet 1.5]