Webster’s Revised Unabridged Dictionary · 1913
Capel
Ca′pel (kā′pĕl), Ca′ple (- p'l), n. [Icel. kapall; cf. L. caballus.] A horse; a nag. [Obs.] Chaucer. Holland.
Ca′pel (kā′pĕl), n. (Mining) A composite stone (quartz, schorl, and hornblende) in the walls of tin and copper lodes.