Noah Webster's Dictionary (a.) Belonging to marriage; suitable or appropriate to married persons; matrimonial; connubial.

Multi-Version Concordance Conjugal (2 Occurrences) 1 Corinthians 7:3 Let the husband render to his wife the affection owed her, and likewise also the wife to her husband. (See RSV) Exodus 21:10 If he take himself another, her food, her clothing, and her conjugal rights he shall not diminish. (DBY JPS NAS)