aculeolus

noun

ac·​u·​le·​o·​lus

ˌa-kyə-ˈlē-ə-ləs

plural aculeoli

ˌa-kyə-ˈlē-ə-ˌlī

: a small aculeus

Word History

Etymology

New Latin, diminutive of aculeus

First Known Use

circa 1927, in the meaning defined above

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