What does ergastŭlārĭus mean in Latin?

ergastŭlārĭus, a adjective, means “belonging to a workhouse”.

adjective

ergastŭlārĭus

ergastŭlārĭus, a, um, adj. ergastulum,

I. of or belonging to a workhouse or house of correction (late Lat.).

I. Adj.: servus, Amm. 14, 11 fin.—Also: in tenebris ergastularibus, Sid. Ep. 7, 9.—

II. Subst.: ergastularii, ōrum, m. (sc. servi), overseers of a penitentiary, Col. 1, 8, 17.

What does ergastŭlārĭus mean in Latin?: ergastŭlārĭus, a adjective, means “belonging to a workhouse”.