planca, ae, f. [root πλακ-; v. 2. plaga], = πλάξ,
I a board , slab , plank (post-Aug.): plancae tabulae planae, Paul. ex Fest. p. 231 Müll.: roboreae, Pall. 1, 21, 2.—
II A slab of marble , slab upon graves, Inscr. Don. 278, 3; Inscr. Murat. 1427, 4.