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aciculum

American

[uh-sik-yuh-luhm] / əˈsɪk yə ləm /

noun

plural

aciculums, acicula

an acicula.
Zoology. one of the slender, sharp stylets embedded in the parapodia of certain annelid worms, as the polychaetes.

aciculum British

/ əˈsɪkjʊləm /

noun

a needle-like bristle that provides internal support for the appendages (chaetae) of some polychaete worms

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of aciculum

Alteration of acicula

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023