1. 
   IAT
   Import Address Table
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   IAT
   International AIDS Trust
   Found op http://www.encyclo.co.uk/local/20895
   
   
3. 
   IAT
   Intake Air Temperature
   Found op http://www3.sympatico.ca/dhaughey/j1930.htm
   
   
4. 
   IAT
   I Am Tired
   Found op http://www.netlingo.com/acronyms.php
   
   
5. 
   iat
   1) 'can ... least sit down?' 2) Import address table 3) Ten thousand saw ... a glance
   Found op wordsworth
   
   

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