
rosarium [roh-zair-ee-uh m] Word Origin noun, plural ro·sar·i·ums, ro·sar·i·a [roh-zair-ee-uh] /roʊˈzɛər i ə/.
- a rose garden.
Origin of rosarium 1835–45; Latin rosārium; see rosary British Dictionary definitions for rosarium rosarium noun plural -sariums or -saria (-ˈzɛərɪə)
- a rose garden
Word Origin for rosarium C19: New Latin