from the GNU version of the Collaborative International Dictionary of English
- n. The stud in which the bearing for the lower pivot of the verge is made.
from The Century Dictionary and Cyclopedia
- n. See potence.
Sorry, no etymologies found.
This may be understood better by consulting Fig. 8, where A is the gauge, C is the roller, E is the lever, F is the plate and G is the potance.