Lewis Short
cērŭla (noun F) : dim.cera
* A small piece of wax: miniata,a kind of crayon,Cic. Att. 15. 14, 4 (with which the Romans were accustomed to strike out exceptionable passages in books): miniatula, the same,id. ib. 16, 11, 1 (al. miniata).
* Transf., = ceriolarium, a candlestick or stand for wax tapers: ARGENTEAE,Inscr. Orell. 2032.
Charlton T. Lewis, Charles Short, A Latin Dictionary