from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An n-by-n arrangement of n different integers such that each row, each column and each of the two diagonals contains each of the integers once and once only.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a square matrix of n rows and columns; cells contain n different symbols so arranged that no symbol occurs more than once in any row or column
Sorry, no etymologies found.