Definitions

from The Century Dictionary and Cyclopedia

  • Resembling a pentagon.
  • n. In anthropology, a cranium the norma verticalis of which has the form of a pentagon with rounded corners.

Etymologies

Sorry, no etymologies found.

Examples

  • Real joints at elbows, wrists, knees, hips, but there was nothing where i's face should be either, just a silvery shield, a curved pentagonoid roughly the shape of an urban policeman's badge, like the Boston metro badge my Uncle Al wore.

    Asimov's Science Fiction

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