Lewis Short
(adjective) : rīdĭcŭlārĭus, a, um, ridiculus
* That excites laughter, laughable, droll, funny (ante- and post-class.).—Only as subst.
* Rīdĭcŭlārĭa, ĭum, n., jests, drolleries: ridicularia fundere, Cato ap. Macr. S. 2, 10; cf. Plaut. As. 2, 2, 64; id. Trin. 1, 2, 28; id. Truc. 3, 2, 16.
* Rīdĭcŭlārĭus, ii, m., a droll, a jester, Gell. 4, 20, 3.
Charlton T. Lewis, Charles Short, A Latin Dictionary