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Medical Definition of Cillo
1. An obsolete term for spasmodic twitching of an eyelid. Synonym: cillo. Origin: Mod. L., spelling influenced by Fr. Ciller, to wink (05 Mar 2000)
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1. An obsolete term for spasmodic twitching of an eyelid. Synonym: cillo. Origin: Mod. L., spelling influenced by Fr. Ciller, to wink (05 Mar 2000)