D defs.my
Entry 1 sense Webster, 1913

Acicular

· A·cic·u·lar · IPA /əˈsɪk.jə.lɚ/
01 a. Needle-shaped; slender like a needle or bristle, as some leaves or crystals; also, having sharp points like needles.
  1. 1.
    Needle-shaped; slender like a needle or bristle, as some leaves or crystals; also, having sharp points like needles.