Source : Webster's Revised Unabridged Dictionary (1913)

Gloriole \Glo"ri*ole\, n. [L. gloriola a small glory, dim. of
   gloria glory.]
   An aureole. [R.] --Msr. Browning.

Source : WordNet®

gloriole
     n : an indication of radiant light drawn around the head of a
         saint [syn: {aura}, {aureole}, {halo}, {nimbus}, {glory}]