serration

(ser ās̸hən)

noun

  1. the condition of being serrate
  2. a single tooth or notch in a serrate edge
  3. a formation of these
Also serrature

See serration in American Heritage Dictionary 4

noun
  1. The state of being serrate.
  2. A series or set of teeth or notches.
  3. A single tooth or notch in a serrate edge.

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