Definition of carbuncle for English Language Learners. : 1  a large painful swelling under the skin. : 2  a jewel (such as a garnet) that is cut into a rounded shape.
For a 12-14 lb (5.5-6.5 kg) turkey: Cook for 40 minutes then reduce the temperature to gas mark 3, 325 F (170 C) and cook for a further 3-31/2 hours. Then give it a final 30 minutes (uncovered) at gas mark 6, 400 F (200 C).
1 **NOTE** cooking times for whole turkeys cooked at 325 degrees are as follows. 2  For an 8-12 pound turkey, roast for 2-3/4 to 3 hours. 3  For a 12-14 pound turkey, roast for 3 to 3-3/4 hours. 4  For a 14-18 pound turkey, roast for 3-3/4 to 4-1/4 hours. **NOTE** cooking times for whole turkeys cooked at 325 degrees are as follows. 2  For an 8-12 pound turkey, roast for 2-3/4 to 3 hours. 3  For a 12-14 pound turkey, roast for 3 to 3-3/4 hours. 4  For a 14-18 pound turkey, roast for 3-3/4 to 4-1/4 hours.