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aculeolus

noun
ac·​u·​le·​o·​lus | \ ˌa-kyə-ˈlē-ə-ləs\
plural aculeoli\ ˌa-​kyə-​ˈlē-​ə-​ˌlī \

Definition of aculeolus

: a small aculeus

First Known Use of aculeolus

circa 1927, in the meaning defined above

History and Etymology for aculeolus

New Latin, diminutive of aculeus

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