1. A needlelike part or structure of a plant or animal or crystal; as a spine or bristle or crystal

Derived forms: aciculae

See also: acicular, aciculate

Type of: part, piece

Encyclopedia: Acicula

• inferior pulmonary vein
• inferior rectus
• inferior rectus muscle
• inferior thalamostriate vein
• inferior thyroid vein
• inferior vena cava
• inferior vocal cord
• inferior vocal fold
• inferiority
• inferiority complex
• infernal
• infernal machine
• infernal region
• infernally
• inferno
• infertile
• infertility
• infest
• infestation
• infibulation
• infidel
• infidelity
• infield
• infielder
• infill