v. (UN-2 4.)
1654. Gayton, Pleas. Notes, III. xii. 74. Having no notice the place was unplankt and laid open.
c. 1660. J. Gwynne, Milit. Mem. (1822), 33. One man might cut down an arch of the bridge, or unplank it, and so make it inaccessible.
1834. J. S. Macaulay, Field Fortif., 246. While the repair of the third bay was in progress, the remaining bay was partly unplanked.