'Pterostigmata' definitions:

Definition of 'Pterostigmata'

From: GCIDE
  • Pterostigma \Pter`o*stig"ma\, n.; pl. Pterostigmata. [NL., fr. Gr. ? wing + ?, ?, a mark.] (Zool.) A thickened opaque spot on the wings of certain insects. [1913 Webster]