upher

from The Century Dictionary.

• noun In building, a fir pole of from 4 to 7 inches diameter, and 20 to 40 feet long, sometimes roughly hewn, used in scaffoldings and sometimes in slight and common roofs, for which use it is split. Gwilt.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Arch.), engraving A fir pole of from four to seven inches diameter, and twenty to forty feet long, sometimes roughly hewn, used for scaffoldings, and sometimes for slight and common roofs, for which use it is split.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun obsolete a wooden pole used as scaffolding