v. t. [ imp. & p. p. Torrefied p. pr. & vb. n. Torrefying. ] [ L. torrere to parch + -fy: cf. F. torréfier, L. torrefacere. ] [ Written also torrify. ] 1. To dry by a fire. Sir T. Browne. [ 1913 Webster ]

2. (Metal.) To subject to scorching heat, so as to drive off volatile ingredients; to roast, as ores. [ 1913 Webster ]

3. (Pharm.) To dry or parch, as drugs, on a metallic plate till they are friable, or are reduced to the state desired. [ 1913 Webster ]