Lewis Short
lōrīcŭla (noun F) : dim.id.
* A small breastplate; hence, transf., a small breastwork: quorum frontes viminea loricula munirentur,Hirt. B. G. 8, 9, 3: loricula urbem esse circumdatam,Veg. Mil. 4, 28.
Charlton T. Lewis, Charles Short, A Latin Dictionary