Definitions

1. noun

a name or nickname, especially one that is informal or humorous

“The rock star had many monikers throughout her career, from “The Queen of Rock” to “The Velvet Vixen”.”

2. verb

to give or assign a name, especially one that is informal or humorous

“The fans monikered the new actor with the nickname “The Hollywood Heartthrob” after his first movie release.”