- a number that is the square of another integer, as 1 of 1, 4 of 2, 9 of 3, etc.
Origin of square number
First recorded in 1550–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- an integer, such as 1, 4, 9, or 16, that is the square of an integer