spicula
noun
- 1
A little spike; a spikelet.
- 2
A pointed fleshy appendage.
noun
- 1
A thrusting javelin used by Romans that replaced the pilum in the late 3rd century.
- 2
A sharp, pointed crystal, especially of ice.
- 3
A sharp, needle-like structure, especially those making up the skeleton of a sponge.
- 4
A small radial emission of gas seen in the chromosphere and corona of the sun.
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