Copulative may refer to:
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Copula (linguistics), a part of speech
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Copulation (zoology)
In zoology, copulation is animal sexual behavior in which a male introduces sperm into the female's body, especially directly into her reproductive tract. This is an aspect of mating. Many aquatic animals use external fertilization, whereas ...
, the union of the sex organs of two sexually reproducing animals for insemination and subsequent internal fertilization
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