plural aciculae
or aciculas
: a needlelike spine, bristle, or crystal

Word History


borrowed from New Latin, going back to Late Latin acicula, acucula "small needle, small pin for a headdress,", from Latin acu-, stem of acus "needle" (going back to Indo-European *h2eḱ-u- "pointed") + -cula, diminutive suffix

First Known Use

1784, in the meaning defined above

Time Traveler
The first known use of acicula was in 1784

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Dictionary Entries Near acicula

Cite this Entry

“Acicula.” Dictionary, Merriam-Webster, Accessed 14 Jun. 2024.

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