Found 1 items, similar to Pterostigma.
English → English (gcide) Definition: Pterostigma Pterostigma \Pter`o*stig"ma\, n.; pl. Pterostigmata. [NL., fr. Gr. ? wing + ?, ?, a mark.] (Zo["o]l.) A thickened opaque spot on the wings of certain insects. [1913 Webster]