1) Acicular 2) Having aciculae 3) Needle-shaped 4) Part 5) Piece 
• (a.) Alt. of Aciculated
<botany> Used to describe a plant part which is finely scored on the surface, as if scratched by a pin. ... (09 Oct 1997) ... 
[adj] - related to plants or animals or crystals having aciculae or needle-like parts
aciculate 1. Marked or striated with scratches or having such an appearance. 2. Shaped like a needle; acicular.aciculate, aciculated 1. Marked or striated with scratches or having such an appearance. 2. Shaped like a needle; acicular. 3. Furnished or clothed with aciculae; marked as with needle-scratches.
adjective related to plants or animals or crystals having aciculae or needlelike parts
having aciculae. · marked as with needle scratches. · needle-shaped; acicular.