Torrefy

1. v. t. To dry or parch, as drugs, on a metallic plate till they are friable, or are reduced to the state desired.
2. v. t. To dry by a fire.
3. v. t. To subject to scorching heat, so as to drive off volatile ingredients; to roast, as ores.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.