copulation

[ kop-yuh-ley-shuh n ]

/ ˌkɒp yəˈleɪ ʃən /

sexual intercourse.

a joining together or coupling.

Words nearby copulation

1350–1400; Middle English copulacion < Latin cōpulātiōn- (stem of copulātio) a binding together. See copulate, -ion

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

If copulation occurs within a reasonable time after the arrival of the ovum, it is impregnated or fertilized.
Private Sex Advice to Women|R. B. Armitage
But why not also with respect to conception, which takes place undoubtedly with one act of copulation?
The City of God, Volume I|Aurelius Augustine
What can there be in the act of copulation necessitating such complex and diversified apparatus?
More Letters of Charles Darwin|Charles Darwin
These are laid in the spring of the year, and one copulation of the male bird is sufficient to fertilize the entire clutch.
The Dollar Hen|Milo M. Hastings

Copulation is effected by quick acts, reiterated two or three times, lasting a quarter of an hour.
The Natural Philosophy of Love|Remy de Gourmont

copulation

[ kŏp′yə-lā′shən ]

Conjugation between two cells that do not fuse but separate after mutual fertilization.

coitus

cop′u•late′ v.