'Silverspot' definitions:

Definition of 'silverspot'

(from WordNet)
noun
Butterfly with silver spots on the underside of the hind wings

Definition of 'Silverspot'

From: GCIDE
  • Silverspot \Sil"ver*spot`\, n. (Zool.) Any one of numerous species of butterflies of the genus Argynnis and allied genera, having silvery spots on the under side of the wings. See Illust. under Aphrodite. [1913 Webster]