spicule

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English[edit]

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Noun[edit]

spicule ‎(plural spicules)

  1. A sharp, needle-like piece.
  2. (biology) Any of many needle-like crystalline structures that provide skeletal support in marine invertebrates like sponges.
  3. A needle-like mating structures found only in male nematodes.
  4. (astronomy) A jet of matter ejected from the photosphere of the sun.
  5. A small spike of flowers.

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