belles-lettres
Concise Oxford English Dictionary © 2008 Oxford University Press:
belles-lettres /bɛlˈlɛtr(ə)/
▶plural noun literary works written and read for their aesthetic effect.
– derivatives
belletrism /bɛlˈlɛtrɪz(ə)m/ noun,
belletrist noun,
belletristic adjective.
belletrism /bɛlˈlɛtrɪz(ə)m/ noun,
belletrist noun,
belletristic adjective.
– origin C17: from Fr., lit. ‘fine letters’.
'belles-lettres' also found in these Oxford entries:

