of or relating to a marriage partner

In the third generation, under different conditions of mating, the original Recessive, and submerged, traits re- appear, and reveal themselves in offspring- plants as the Dwarfness or the Whiteness that had characterised their grandparents. – Feminism and Sex-Extinction by Arabella Kenealy

The Wisconsin oak openings were a summer paradise for song birds, and a fine place to get acquainted with them; for the trees stood wide apart, allowing one to see the happy homeseekers as they arrived in the spring, their mating, nest- building, the brooding and feeding of the young, and, after they were full- fledged and strong, to see all the families of the neighborhood gathering and getting ready to leave in the fall. – The Story of My Boyhood and Youth by John Muir

There had been some mating in the fort below among soldiers and peasant women, to which she did not lower her thoughts. – The Lady of Fort St. John by Mary Hartwell Catherwood

It is the moon of flowers, and the birds are mating. – Montlivet by Alice Prescott Smith

The ever- circling wheels of birth, mating, death, so all- absorbing to most women, were nothing to her. – Gone to Earth by Mary Webb