Search Result for "onomancy": 
Wordnet 3.0

NOUN (1)

1. divination by the letters of a name; 



The Collaborative International Dictionary of English v.0.48:

onomancy \on"o*man`cy\, n. [Gr. 'o`noma name + -mancy. Cf.
   Nomancy.]
   Divination by the letters of a name; nomancy. [R.] --Camden.
   [1913 Webster] Onomantic


WordNet (r) 3.0 (2006):

onomancy
    n 1: divination by the letters of a name