‖ lunarium
(l(j)uːˈnɛərɪəm)
[mod.L., f. L. lūnāris lunar.]
An instrument representing the phases and motions of the moon. Cf. lunary n.2
| 1786 Jefferson Writ. (1859) I. 507 What is become of the Lunarium for the King? 1794 G. Adams Nat. & Exp. Philos. IV. xliii. App. 171. |