Spindle

Spindle may refer to:

Textiles and manufacturing

 * Spindle (textiles), a straight spike to spin fibers into yarn
 * Spindle (tool), a rotating axis of a machine tool

Biology

 * Common spindle and other species of shrubs and trees in genus Euonymus whose hard wood was used to make spindles
 * Spindle apparatus or mitotic spindle, a cellular structure in cell biology
 * Muscle spindle, stretch receptors within the body of a muscle
 * Spindle neuron, a specific class of neuron
 * Sleep spindle, bursts of neural oscillatory activity during sleep
 * Spindle transfer, an in vitro fertilization the technique

Computing

 * Spindle (hard disk drive), the axis of a hard disk drive
 * Spindle (disc packaging), a plastic case for bulk optical disks

Vehicles

 * Spindle (automobile), a part of a car's suspension system
 * Spindle (vehicle), an autonomous ice-penetrating vehicle

Other uses

 * Spindle (furniture), cylindrically symmetric shaft, usually made of wood
 * Spindle (sculpture), a 1989 sculpture by Dustin Shuler made from cars
 * Spindle (stationery), an upright spike used to hold papers
 * Spindle, part of a door handle
 * Spindle Rock, also called Adrachti, a rock in Meteora, Greece