Definition from Wiktionary, the free dictionary
juvenilia juvenilia plural or collective singular
- (literature, plural only) Works produced during an artist's or author's youth.
- 1693, John Dryden, A Discourse on the Origin and Progress of Satire 
- ...rhyme was not his [Milton's] talent; he had neither the ease of doing it, nor the graces of it: which is manifest in his "Juvenilia" or verses written in his youth, where his rhyme is always constrained and forced,...
- 1996, Kathryn Lindskoog, Light in the Shadowlands 
- Lewis’s juvenilia is childlike, and the way it has been handled is childish.
- 1997, Susan Anne Carlson, “Incest and Rage in Charlotte Brontë’s Novelettes,” in Creating Safe Space, Tomoko Kuribayashi and Julie Tharp edd. 
- Though there is a large body of criticism on Brontë’s novels, there are very few interpretations of the juvenilia, [...]
- 2003, James Fenton, The Strength of Poetry 
- The last line, adapted from Coleridge, reminds us that we are never such kleptomaniacs as in our juvenilia.
- 1693, John Dryden, A Discourse on the Origin and Progress of Satire