Copula
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
Sexual intercourse; the consummation of marriage. COPULATIO VERBORUM INDICAT ACceptatlonem in eodem sensu. Coupling words together shows that they ought to be understood in the same sense. Bac. Max. reg.
3; Broom, Leg. Max. (3d London Ed.) 523.