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Webster's Dictionary (1865)

Pŏ'tençe, n.

noun

n. [Fr. potence; L. Lat. potentia, a staff, crutch, from Lat. potentia, might, force, power. See infra.]

  1. (Her.) A cross whose ends resemble the head of a crutch; — called also cross-potence.
  2. The same as POTENCY. Sir W. Hamilton.