See Also: Spicule(medicine)
spicule(dictionary)

spicule (iou)



spicule noun. L18.
[Anglicized from SPICULA noun1, SPICULUM.]
Botany. = SPICULA noun1 3. Now rare or obsolete. L18.
Mycology. A sterigma of a basidium. M19-L19.
Zoology. A needle-like or sharp-pointed process or part; esp. each of the small pointed structures of calcite or silica which make up the skeleton of a sponge. M19.
A fine-pointed piece, splinter, or fragment of some hard substance; esp. in Medicine, a splinter of bone. M19.
Astronomy. Any of numerous short-lived, relatively small radial jets of gas observed in the chromosphere and lower corona of the sun. M20.