arithˈmology ? Obs. [f. as prec. + Gr. -λογία: see -logy. Cf.Fr.arithmologie.] A treatise on numbers, or statement bearing upon them. 1572L. Lloyd Pilgr. Princes (1607) 104 b, A few Arithmologies which Salomon the wise, and Jhesus the sonne of Syrach..have amongst their chiefe writinges noted.