[kraws-fur-tl-uh-zey-shuh
n, kros-] 
| 1. | Biology. the fertilization of an organism by the fusion of an egg from one individual with a sperm or male gamete from a different individual. |
| 2. | Botany. fertilization of the flower of one plant by a gamete from the flower of a closely related plant (opposed to self-fertilization ). |
| 3. | (not in technical use) cross-pollination. |
| 4. | interaction or interchange, as between two or more cultures, fields of activity or knowledge, or the like, that is mutually beneficial and productive: a cross-fertilization of scientific and technical disciplines. |
The fertilization of the ovum of one plant by the sperm of another plant.
