pen name
From Longman Dictionary of Contemporary EnglishRelated topics: Literaturepen nameˈpen name noun [countable] ALNAME OF A PERSONa name used by a writer instead of their real name SYN pseudonym, nom de plumeExamples from the Corpuspen name• Under yet another pen name, Leo starts writing scathing reviews of her own books for a newspaper literary supplement.• Cassandra, appropriately, considering his pen name, was not believed.• It was signed in Charlotte's male pen name.