setting rule

noun

1. printing a metal strip used in the hand-setting of type in a composing stick to separate the line being set from the previous one

Example Sentences

Do you let the default setting rule your life?

From Time

Among the ingenious devices added are: the Rogers systems of setting rule and figure tables, box heads, etc.; the reversal of the line so as to set Hebrew characters in their proper relation; the production of printers' rules of any pattern; the making of ornamental borders; a device for the casting of the same line an indefinite number of times from one setting.

From Project Gutenberg