nom de plume

noun, plural noms de plume [nomz duh ploom; French nawn duh plym] /ˌnɒmz də ˈplum; French nɔ̃ də ˈplüm/.

1. pen name.

noun plural noms de plume (ˈnɒm də ˈpluːm)

1. another term for pen name

French for “pen name”; an invented name under which an author writes. Mark Twain was the nom de plume of Samuel L. Clemens.