Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The circumference or periphery of a circle.
  • n. A boundary line, especially one at the outermost limit; an extreme edge.

from The Century Dictionary and Cyclopedia

  • n. Boundary line; extreme edge.

Etymologies

From um- +‎ stroke. (Wiktionary)

Examples

Sorry, no example sentences found.

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