LAT

Lewis Short

diptycha (noun N) = δίπτυχα: .
* A writing-tablet of two leaves (late Lat.), Cod. Theod. 15, 9, 1; Symm. Ep. 2, 80 al.
* The double shell of the oyster, Ambros. Hexaem. 5, 8.
Charlton T. Lewis, Charles Short, A Latin Dictionary
memory