Potence

noun

1. Power; potency.
2. In heraldry: A bearing of the shape of a capital T—that is, a cross tau.
3. The termination of an ordinary or other bearing when of that form.
4. In watch-making, the counter-bridge to the main cock or bridge on the top plate of a watch, holding the jeweling for the balance-staff, cylinder, or verge.
5. Potency; capacity.