A Grammatical Dictionary of Botanical Latin

ustus,-a,-um (part.A): burnt, burned up; roasted; stung [> L. uro, ussi, ustum 3. to burn, to burn up, destroy by fire, to sting or pain acutely]; see roasted;

- badio (colore Coffeae fabarum ustarum) (S&A), badius (with the color of roasted Coffea beans).

- [Hysterium fraxini; fungus] Coffeae fabam ustam forma elliptica et colore quadantenus aemulatur(S&A), resembling a roasted bean of coffee in the elliptic shape and to some extent in color.

- [aes ustum] aes ustum [quod aliqui chaumenum vocant] sit maxime de clavis cupreis [et] vetustis qui in olla fictile cruda missi in furno incenduntur et aspersi sulfure vel sale, vel utroque, vel alumina et coquuntur (Galen in Everett), burnt copper (which some call chaumenum] [be] mostly [produced] out of old copper keys which, having been cast into an unfired [clay pot], are burned in an [oven, furnace]and sprinkled with either sulphur or salt or both, or alum and [then] baked.

half- or partly burned: semiustus,-a,-um (part.A).