coattail

1 ENTRIES FOUND:
coattail /ˈkoʊtˌteɪl/ noun
plural coattails
coattail
/ˈkoʊtˌteɪl/
noun
plural coattails
Britannica Dictionary definition of COATTAIL
1 
[count] : a long piece of cloth that hangs down at the back of a man's formal coat — usually plural
2 
coattails [plural] : the help or influence of another person's work, ideas, or popularity