GNU Collaborative International Dictionary of English

Found 2 definitions

1.       
   Coke , n. [Perh. akin to cake, n.] Mineral coal charred, or depriver of its bitumen, sulphur, or other volatile matter by roasting in a kiln or oven, or by distillation, as in gas works. It is largely used where a smokeless fire is required. [Written also coak.]
   1913 Webster
   Gas coke, the coke formed in gas retorts, as distinguished from that made in ovens.
   1913 Webster
   
         
       

2.       
   Coke, v. t. To convert into coke.
   1913 Webster