roaster noun 9forms 1 noun9 •A machine for roasting things; especially, one that roasts coffee beans.They've invested in large roasters with impressive stainless steel parts. •A kitchen utensil used for roasting.I found a really nice roaster in the kitchenware aisle, plus a bamboo cutting board. •A type of industrial furnace; especially, one that roasts ore.Having been dumped out of the mine cars, the ore then moves along a conveyor to the roaster. •Someone who roasts coffee beans; a company or place of business that does so.Several artisanal roasters are operating in the region now. •Someone who roasts food.Hank is just about everyone's favorite pig roaster around here. He stays pretty busy with block parties, weddings, and reunions. •A chicken, pig, etc. suitable for roasting.I found a really nice roaster in the meat department, and I'm going to make some stuffing for it, too. •One who roasts or banters, especially as a comedy routine.He does standup, and he's a pretty good roaster. •(slang, disapproving) An objectionable person; somebody making a fool of themselves.Person A: Oh look, he's at it again. Person B: What a roaster. •(informal) An epistellar gas giant exoplanet.Some of the earliest discoveries of exoplanets were roasters because they are the least difficult to detect. formsroasters