roaster noun. ['rǝʊstǝ] LME.
[from ROAST verb + -ER¹.]
I.
1. A person who roasts something. LME.
b. spec. An industrial processor of raw coffee beans. L19.

2. a. A pan or dish in which meat etc. may be roasted, a roasting-tin. M17.
b. A kind of oven in which meat etc. can be roasted. L18.

3. A furnace used in roasting ore. M19.

4. An apparatus for roasting coffee beans. M19.

5. A very hot day with a scorching sun. colloq. L19.

[TahlilGaran] English Dictionary ▲

roaster
II.

6. A pig, fowl, or other article of food fit for roasting. L15.

[TahlilGaran] English Dictionary ▲