zil‧lion /ˈzɪljən/ 
 number informal[
Date: 1900-2000; 
Origin: Z as the last in a series + million]
 a very large number of things
a zillion I’ve seen that movie a zillion times.zillions of something
 I’ve seen that movie a zillion times.zillions of something zillions of mosquitoes
 zillions of mosquitoes  [TahlilGaran] Dictionary of Contemporary English ▲