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Noun: crenation  kri'ney-shun
  1. One of a series of rounded projections (or the notches between them) formed by curves along an edge (as the edge of a leaf or piece of cloth or the margin of a shell or a shriveled red blood cell observed in a hypertonic solution etc.)
    - scallop, crenature, crenel, crenelle

Derived forms: crenations

Type of: curve, curved shape

Encyclopedia: Crenation