Male  —adj. 1 of the sex that can beget offspring by fertilization. 2 of men or male animals, plants, etc.; masculine. 3 (of plants or flowers) containing stamens but no pistil. 4 (of parts of machinery etc.) Designed to enter or fill the corresponding hollow part (male screw). —n. Male person or animal.  maleness n.  [latin masculus from mas a male]