1. 
   Pterostigma
   A thickened opaque or dark spot along the costal margin of the insect wing, near the tip.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   Pterostigma
   Pter`o·stig'ma noun ; plural Pterostigmata . [ New Latin , from Greek ... wing + ..., ..., a mark.] (Zoology) A thickened opaque spot on the wings of certain insects.
   Found op http://www.encyclo.co.uk/webster/P/189
   
   
3. 
   pterostigma
   Origin: NL, fr. Gr. Wing +, a mark. ... <zoology> A thickened opaque spot on the wings of certain insects. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?pterostigma
   
   
4. 
   Pterostigma
   • (n.) A thickened opaque spot on the wings of certain insects.
   Found op http://thinkexist.com/dictionary/meaning/pterostigma/
   
   
5. 
   Pterostigma
   The pterostigma is a cell in the outer wing of insects which is often thickened or coloured and so stands out from other cells. It is particularly noticeable in dragonflies, but present also in other insect groups, such as snakeflies, hymenopterans and megalopterans. The purpose of the pterostigma,...
   Found op http://en.wikipedia.org/wiki/Pterostigma
   
   

Tip: double click on a word to show its meaning.