Webster's Revised Unabridged Dictionary · 1913

Carbonado

Carbonado , transitive verb

1.
To cut (meat) across for frying or broiling; to cut or slice and broil. [Obsolete]
A short-legged hen daintily carbonadoed. — Bean. & Fl
2.
To cut or hack, as in fighting. [Obsolete]
I'll so carbonado your shanks. — Shakespeare

Also: Carbonade

Carbonado , noun

[Portuguese, carbonated.]

(Mineralogy) A black variety of diamond, found in Brazil, and used for diamond drills. It occurs in irregular or rounded fragments, rarely distinctly crystallized, with a texture varying from compact to porous.