The term 'Divisor' is a mathematical concept that refers to a number that divides another number evenly. It is also known as a FACTOR, which is the 6-letter solution to the crossword puzzle. A divisor is used to divide a number into two or more equal parts. For example, if a number is divided by 4, then 4 is the divisor and the result is the quotient. Divisors are important in mathematics because they can be used to simplify equations and solve problems.