plotting board

noun

1. Navigation. a transparent table on a ship, used as a plotting sheet.
2. Military. a device based on a map or other scale representation of a region against which artillery fire is to be directed, for use in directing artillery fire against a fixed or moving target.

Word History and Origins

Origin of plotting board¹

First recorded in 1900–05

Example Sentences

Bill’s position was to handle the early-warning plotting board.

From Washington Post

Sir: I hardly expected to see the Russian bear on NORAD's plotting board�but there it is.

From Time Magazine Archive

He had his mortar tube�but no base plate, no plotting board, no aiming stakes, no forward observer.

From Time Magazine Archive

He handed Rip the shoulder case that contained the plotting board.

From Project Gutenberg

He handed Rip the shoulder case that contained the plotting board.

From Project Gutenberg