[contracted for ARITHMOMANCY, but earlier.] Divination by numbers.
1577. Holinshed, Descr. Brit., ix. 28/2. An old kind of arithmancie, fathered on Pythagoras, yet never invented by him.
1878. J. Gray, China, II. xvii. 25. Other systems of telling fortunes are in vogue, as for instance … arithmancy.
