rosetum

Borrowed from Latin rosētum.

rosetum (plural roseta)

1. A rose garden.
   • 1870, The Florist and Pomologist: A Pictorial Monthly Magazine, page 169:

     The Weeping Rose should stand singly in the rosetum, or on the lawn.

rosa (“a rose”) +‎ -ētum (“grove”)

• (Classical Latin) IPA^(key): [rɔˈseː.tũː]
• (modern Italianate Ecclesiastical) IPA^(key): [roˈs̬ɛː.t̪um]

rosētum n (genitive rosētī); second declension

1. a rose garden; a bed of roses

Second-declension noun (neuter).

• “rosetum”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “rosetum”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• "rosetum", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• rosetum in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.