acicula

a·cic·u·la

A0055900 (ə-sĭk′yə-lə)n. pl. a·cic·u·lae (-lē′) A slender, needlelike part or structure, such as a spine or bristle of certain plants and animals or a crystal of certain minerals.

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[Latin, hairpin, diminutive of acus, needle; see ak- in Indo-European roots.]

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a·cic′u·late (-lĭt, -lāt′), a·cic′u·lat′ed (-lā′tĭd) adj.

acicula

(əˈsɪkjʊlə) n, pl -lae (-ˌliː) a needle-shaped part, such as a spine, prickle, or crystal[C19: New Latin, diminutive of acus needle] aˈcicular adj

a•cic•u•la

(əˈsɪk yə lə)

n., pl. -lae (-ˌli) a needlelike part; spine, bristle, or needlelike crystal. [1875–80; < New Latin, Late Latin, alter. of acucula ornamental pin = Latin acu-, s. of acus needle (compare acute) + -cula -cule¹]

Thesaurus

Noun

1.

acicula - a needlelike part or structure of a plant or animal or crystal; as a spine or bristle or crystalpart, piece - a portion of a natural object; "they analyzed the river into three parts"; "he needed a piece of granite"

acicula

nounA sharp or tapered end:acumination, apex, cusp, mucro, mucronation, point, tip.