Venison Roast With Wine Gravy
["1 (5 to 6 lb.) venison roast", "3 c. dry white wine", "1 large onion, thinly sliced", "12 black peppercorns", "12 whole cloves", "6 whole allspice", "1 bay leaf", "1/4 tsp. salt", "3 Tbsp. all-purpose flour", "1/4 c. water"]
["Remove any white membrane surrounding roast.", "Place roast in a shallow dish.", "Combine wine, onion and seasonings; pour over roast. Cover and marinate 8 hours in refrigerator, turning meat occasionally."]
["venison roast", "white wine", "onion", "black", "cloves", "allspice", "bay leaf", "salt", "flour", "water"]