An act or instance of multiplying.
To increase the amount, degree or number of (something).
(with by) To perform multiplication on (a number).
when you multiply 3 by 7, you get 21; he multiplied several numbers
To grow in number.
To breed or propagate.
To perform multiplication.
He had been multiplying, but it occurred to him he needed to resolve the exponents, first.
To be a factor in a multiplication with (another factor).
In many or multiple ways.