A binary operator representing multiplication, cross products, or Cartesian products in algebra and vector spaces.
Examples
Multiplication of numbers
2 \times 3 = 6
Dimensions of a rectangle
\text{A } 3 \times 4 \text{ rectangle has area } 12
Cartesian product of sets
A \times B = \{(a,b) : a \in A, b \in B\}