< /əˈsɪk yə lə/.
- an acicula.
- Zoology. one of the slender, sharp stylets embedded in the parapodia of certain annelid worms, as the polychaetes.
noun plural -lae (-ˌliː)
- a needle-shaped part, such as a spine, prickle, or crystal
noun plural -lums or -la (-lə)
- a needle-like bristle that provides internal support for the appendages (chaetae) of some polychaete worms