Ci·li'cious adjective [ Latin cilicium a covering, orig. made of Cilician goat's hair, from Cilicious Cilician, from Cilicia , a province of Asia Minor.] Made, or consisting, of hair. [ Obsolete] « A Cilicious or sackcloth habit. Sir T. Browne. » Found on http://www.encyclo.co.uk/webster/C/78