multiplymultiplymultipliesmultipliedmultiplyingverb (multiplies, multiplying, multiplied/, has multiplied)to make a number bigger by a certain number of times: Two multiplied by three is six (= 2 x 3 = 6).Multiply three and seven together.Look at divide.▶ multiplicationmultiplicationmultiplicationsnoun (no plural): Today we did multiplication and division.