definition of
fertilization

[1] #1 fertilization n. [fertilisation, fecundation, impregnation] creation by the physical union of male and female gametes; of sperm and ova in an animal or pollen and ovule in a plant. wn

[2] #2 fertilization n. [fertilisation, fecundation, dressing] making fertile as by applying fertilizer or manure. wn