Spicule

noun

Definitions

Noun
  1. 1
    A sharp, needle-like piece.
  2. 2
    small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals wordnet
  3. 3
    A tiny glass flake formed during the manufacture of glass vials.
  4. 4
    Any of many needle-like crystalline structures that provide skeletal support in marine invertebrates like sponges.

    "Tear it up, and put a fragment under the microscope, and, wonder of wonders! see the maze of geometric forms exhibited in the bones of the creature; for who can help regarding the spicules as bones, even though a sponge be invertebrate?"

  5. 5
    A needle-like mating structure found only in male nematodes.
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  1. 6
    A jet of matter ejected from the photosphere of the sun.
  2. 7
    A small spike of flowers.
  3. 8
    A unit of mass equal to 125 pounds. historical

Etymology

From Latin spīculum.

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