#1 multiply v. combine by multiplication; "multiply 10 by 15". wn
#2 multiply v. [manifold] combine or increase by multiplication; "He managed to multiply his profits". wn
#3 multiply v. [breed] have young (animals) or reproduce (organisms); "pandas rarely breed in captivity"; "These bacteria reproduce". wn
#4 multiply r. in several ways; in a multiple manner; "they were multiply checked for errors". wn
#5 multiply v. [reproduce, procreate] have offspring or produce more individuals of a given animal or plant; "The Bible tells people to procreate". wn
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