copulation takes place in early May before the ova have grown to their full size.
No copulation; exterior fecundation of eggs: fish, echinoderms.
There are two of these vesiculae, each like a bunch of grapes, which emit the seed into the urethra in the act of copulation.
copulation of the mother bee, in l'Apiculteur, 6e anne, 1862.
Calling a natural process like copulation a sin doesn't make it so.
During the period of copulation the bucks fight a good deal.
Another cause of natural barrenness, is debility in copulation.
The Fairies marry not; but there be amongst them Incubi, that have copulation with flesh and bloud.
She was again set at liberty; after twice departing, she returned with evidence of a second copulation.
It is often associated with pouncing and is also seen prior to copulation.
late 14c., "coupling," from Middle French copulation "mating, copulation" (14c.), from Latin copulationem (nominative copulatio), noun of action from past participle stem of copulare (see copulate). Of the sex act from late 15c., and this became the main sense from 16c.
copulation cop·u·la·tion (kŏp'yə-lā'shən)
Conjugation between two cells that do not fuse but separate after mutual fertilization.