from the Prophet (SA), regarding: Your wives are a tilth for you, so go to your tilth when or how you will (2:223). [He ﷺ said]: "Meaning one valve."
عَنِ النَّبِيِّ ﷺ فِي قَوْلِهِ (نِسَاؤُكُمْ حَرْثٌ لَكُمْ فَأْتُوا حَرْثَكُمْ أَنَّى شِئْتُمْ ) يَعْنِي صِمَامًا وَاحِدًا