board rule

noun Building Trades.

a measuring device having scales for finding the cubic contents of a board without calculation.

Origin of board rule

An Americanism dating back to 1840–50

Words nearby board rule

board of health, board of supervisors, board of trade, board of trade unit, board of trustees, board rule, board school, board shorts, board side, board sport, board-and-shingle

British Dictionary definitions for board rule

board rule

noun

a measuring device for estimating the number of board feet in a quantity of wood