from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The beam that supports the spindle socket of the runner in a grinding mill.
from the GNU version of the Collaborative International Dictionary of English
- n. The beam which supports the spindle socket of the runner in a grinding mill.
from The Century Dictionary and Cyclopedia
- n. A beam by which the spindle of the runner in a grinding-mill is supported. It can be adjusted so as to vary the relative distances of the grinding surfaces.
bridge + tree (Wiktionary)