(biology) The act or process of fertilization by which a new organism is produced from the physical union of male and female gametes.
(agriculture) Making the land or soil fertile, such as by applying fertilizer or manure so to increase or improve crop yield.
Word origin: Latin fécundātus, made fruitful, fertilized (ptp. of fécundāre).
Related forms: fecundate, fecundify (verb).
Synonym: fertilization, syngamy.