Definitions

1. verb

to engage in sexual intercourse

“The birds were seen copulating in the nearby woods.”

2. verb

to mate or reproduce sexually

“Many species of animals copulate during the breeding season.”

3. noun

the act of copulating

“The copulation of the two species is a rare occurrence in the wild.”

4. noun

a pair of animals that are mating

“The zookeepers carefully monitored the copulation of the lion and lioness.”