[f. Gr. κλείς, κλειδ- key + μαντεία divination: see -MANCY.] Divination by means of a key.
1855. Smedley, Occult Sc., 326. Clidomancy should be exercised when the sun or moon is in Virgo, the name should be written upon a key, the key should be tied to a Bible, [etc.].
