aciculum

[uh-sik-yuh-luh m]

noun, plural a·cic·u·lums, a·cic·u·la [uh-sik-yuh-luh] /əˈsɪk yə lə/.

an acicula.

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

Origin of aciculum

alteration of acicula

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for aciculum

aciculum

noun plural -lums or -la (-lə)

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

Word Origin for aciculum

C19: New Latin; see acicula

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