copulate
verb [intransitive] (specialist)- copulate (with somebody/something)
to have sex 性交;交媾;交配;交尾 Some animals perform elaborate mating rituals before they copulate. 一些动物在交配前会进行复杂的交配仪式。
Word Originlate Middle English (in the sense ‘join’): from Latin copulat- ‘fastened together’, from the verb copulare, from copula, from co- ‘together’ + apere ‘fasten’.