[ˈspɪkjuːl], (Noun)

Definitions:
- a minute sharp-pointed object or structure that is typically present in large numbers, such as a fine particle of ice

- a short-lived, relatively small radial jet of gas in the chromosphere or lower corona of the sun


Phrases:

Origin:
late 18th century: from modern Latin spicula, spiculum, diminutives of spica ‘ear of grain’