Caffeic \Caf*fe"ic\, a. [See Coffee.]

(Chem.) Pertaining to, or obtained from, coffee. [1913 Webster]

Caffeic acid, an acid obtained from coffee tannin, as a yellow crystalline substance, C9H8O4. [1913 Webster] caffein

Source: The Collaborative International Dictionary of English v.0.48
 

Caffeic \Caf*fe"ic\, a. [See Coffee.]

(Chem.) Pertaining to, or obtained from, coffee.

Caffeic acid, an acid obtained from coffee tannin, as a yellow crystalline substance, C9H8O4.

Source: Webster's Revised Unabridged Dictionary (1913)