Definitions from Black's Law Dictionary: 2nd Edition and Ballentine's Law Dictionary as are available for each term in each dictionary.
  • Ballentine's Law Dictionary

    The carnal and illicit intercourse of an unmarried person with one of opposite sex. See 1 Mont. 359, 25 Am. Rep. 740. See, also, 26 Am. Rep. 32, note.

  • Black's Law Dictionary: 2nd Edition

    Uniawful sexual Intercourse between two unmarried persons. Further, lf one of the persons be married and the other not, it is fornication on the part of the latter, though adultery for the former. In some jurisdictions, however, by statute, it is adultery on the part of both persons if the woman is married, whether the man is married or not Banks v. State, 9(J Ala. 78, 11 South. 404; Hood v. State, 56 Ind. 263, 26 Am. Rep. 21; Com. v. Lafferty, 6 Grat. (Vat) 673; People v. Rouse, 2 Mich. N. P. 209; Sinte v. Shear, 51 Wis. 460, 8 N. W. 287; Buchanan v. State, 55 Ala. 154.