cook (food, especially meat) by prolonged exposure to heat in an oven or over a fire

she was going to roast a leg of mutton for Sunday dinner

criticize or reprimand severely

if you waste his time he'll roast you

(of food) having been roasted

a plate of cold roast beef

a joint of meat that has been roasted or that is intended for roasting

carving the Sunday roast

a banquet at which the guest of honour is subjected to good-natured ridicule