Pterostigmata

1 definition found

From The Collaborative International Dictionary of English v.0.48 [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]