• more Thesaurus
  • Definition
    • obelisk : A tall, square, tapered, stone monolith topped with a pyramidal point, frequently used as a monument.

      • obelisk : .

        • obelisk : An RNA structure similar to a viroid, with a rod-like secondary structure, which comprises its own phylogenetic group.

          • obelisk : To adopt the obelisk posture; to point the tip of the abdomen towards the sun.

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          • Derivative