From Longman Dictionary of Contemporary Englishldoce_265_cpompompom‧pom /ˈpɒmpɒm $ ˈpɑːmpɑːm/, pompon /-pɒn $ -pɑːn/ noun [countable] 1 DCa small soft ball used as a decoration on clothing, especially hats2 
DSa large round ball of loose plastic strings connected to a handle, used by cheerleadersOrigin pompom (1700-1800) French pompon, from Old French pompe “bunch of ribbons”
DSa large round ball of loose plastic strings connected to a handle, used by cheerleadersOrigin pompom (1700-1800) French pompon, from Old French pompe “bunch of ribbons” 