1. 
   PIU
   Performance and Innovation Unit (now the Strategy Unit).
   Found op http://www.dti.gov.uk/energy/energy-glossary/page24579.html
   
   
2. 
   Piu
   • (adv.) A little more; as, piu allegro, a little more briskly.
   Found op http://thinkexist.com/dictionary/meaning/piu/
   
   
3. 
   PIU
   Partnership Intelligence Unit
   Found op http://www.cjp.org.uk/glossary/
   
   
4. 
   piu
   1) A ... tardi ('see you later,' in italy) 2) More to mehta 3) More to ozawa 4) More used as a musical direction 5) More, in music 6) More, in scores 7) More, musically 8) More, to mehta 9) Performance and innovation unit
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/piu/1
   
   

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