plătănon

ōnis, m.
I. a grove of plane-trees, Vitr. 5, 11: postero die in eundem platanona descendi, Petr. 131; Mart. 3, 19, 2 (in Plin. Ep. 1, 3, 1, written as Greek).
Lewis & Short
A Latin Dictionary, 1879
An open-access project