viridarium

vĭrĭdārĭum (vĭrĭdĭārĭum, and, contr., virdĭārĭum), ii, n. [viridis],

a plantation of trees , a pleasure-garden , Cic. Att. 2, 3, 2; Petr. 9 fin. ; Cels. 1, 2; Suet. Tib. 60; Plin. 18, 2, 2, § 7; Dig. 7, 1, 13; 33, 7, 26; Lampr. Heliog. 23 al.