( a. )
A thin plate of metal (usually brass) of the same height as the type, and used for printing lines, as between columns on the same page, or in tabular work.
( a. )
A thin plate of metal (usually brass) of the same height as the type, and used for printing lines, as between columns on the same page, or in tabular work.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012