Lewis Short
nŭcŭla (noun F) : dim.nux
* A small nut, Plin. 15, 22, 24, § 87: nuculas Praenestinos antiqui appellabant, quod inclusi a Poenis Casilini famem nucibus sustentārunt, vel quod in earum regione plurima nux minuta nascitur, Paul. ex Fest. p. 172 and 173 Müll.; cf. Liv. 23, 19.
Charlton T. Lewis, Charles Short, A Latin Dictionary