An obsolete term for spasmodic twitching of an eyelid. ... Synonym: cillo. ... Origin: Mod. L., spelling influenced by Fr. Ciller, to wink ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973
Cil·lo'sis noun [ New Latin , from Latin cilium eyelid.] (Medicine) A spasmodic trembling of the upper eyelid. Found on http://www.encyclo.co.uk/webster/C/78