\Planch\, n. [F. planche.]
A plank. [Obs.] --Ld. Berners.

\Planch\, v. t. [imp. & p. p. {Planched}; p. pr. & vb. n.
{Planching}.] [F. planche a board, plank. See {Plank}.]
To make or cover with planks or boards; to plank. [Obs.] ``To
that vineyard is a planched gate.'' --Shak.