Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A hypocycloid with four cusps.

from The Century Dictionary and Cyclopedia

  • n. In heraldry, same as mullet.
  • n. A plane curve of the sixth class and fourth order, having two conjugate diameters of a conic and the line at infinity as inflectional tangents.

Etymologies

Ancient Greek ἄστρον (astron, "a star") + εἶδος (eidos, "form, likeness"). (Wiktionary)

Examples

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