• IPA: /sfɛɹɪkəl/, /sfiːɹɪkəl/


  1. (geometry) Shaped like a sphere.
    Synonyms: globular, orbicular, round
  2. (geometry) (no comparative or superlative) Of, or pertaining to, spheres.
  3. (mathematics) Of a coordinate system, specifying the location of a point in a plane by using a radius and two angles.
  4. (astrology) Of or relating to the heavenly orbs, or to the sphere or spheres in which, according to ancient astronomy and astrology, they were set.
    • 1606: William Shakespeare, King Lear, Act 1, Scene 2
      Knaves, thieves, and treachers by spherical predominance.
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