Read the dictionary definition of roast. All definitions for this word.
1. negative criticism
2. a piece of meat roasted or for roasting and of a size for slicing into more than one portion
3. cook with dry heat, usually in an oven
1. roast the turkey
4. subject to laughter or ridicule
1. The satirists ridiculed the plans for a new opera house
2. The students poked fun at the inexperienced teacher
3. His former students roasted the professor at his 60th birthday
5. (meat) cooked by dry heat in an oven