Noun

(en noun)

(spinning) A rod used for spinning and then winding natural fibres (especially wool), usually consisting of a shaft and a circular whorl positioned at either the upper or lower end of the shaft when suspended vertically from the forming thread.

A rod which turns, or on which something turns.

the spindle of a vane

* {{quote-magazine, date=2012-03

, author=(Henry Petroski) , title=Opening Doors , volume=100, issue=2, page=112-3 , magazine= citation , passage=A doorknob of whatever roundish shape is effectively a continuum of levers, with the axis of the latching mechanism—known as the spindle —being the fulcrum about which the turning takes place.}}

A rotary axis of a machine tool or power tool.

A worldwide tree of the genus Euonymus , originally used for making the spindles used for spinning wool.

An upright spike for holding paper documents by skewering.

The fusee of a watch.

A long and slender stalk resembling a spindle.

A yarn measure containing, in cotton yarn, 15,120 yards; in linen yarn, 14,400 yards.

(geometry) A solid generated by the revolution of a curved line about its base or double ordinate or chord.

Any marine univalve shell of the genus ; a (spindle stromb).

Any marine gastropod of the genus .

Noun

(en noun)

A small device, made (usually) of drawn-out steel wire with one end sharpened and the other flattened or rounded into a head, used for fastening.

* Milton

With pins of adamant / And chains they made all fast.

A small nail with a head and a sharp point.

A cylinder often of wood or metal used to fasten or as a bearing between two parts.

Pull the pin out of the grenade before throwing it at the enemy.

A slender object specially designed for use in a specific game or sport, such as skittles or bowling.

(in plural'' pins ; ''informal ) A leg.

I'm not so good on my pins these days.

(electricity) Any of the individual connecting elements of a multipole electrical connector.

The UK standard connector for domestic mains electricity has three pins .

A piece of jewellery that is attached to clothing with a pin.

(US) A simple accessory that can be attached to clothing with a pin or fastener, often round and bearing a design, logo or message, and used for decoration, identification or to show political affiliation, etc.

(chess) A scenario in which moving a lesser piece to escape from attack would expose a more valuable piece to attack.

(curling) The spot at the exact centre of the house (the target area)

The shot landed right on the pin .

* Shakespeare

the very pin of his heart cleft

(dated) A mood, a state of being.

* Cowper

a merry pin

One of a row of pegs in the side of an ancient drinking cup to mark how much each person should drink.

(medicine, obsolete) caligo

(Shakespeare)

A thing of small value; a trifle.

* Spectator

He did not care a pin for her.

A peg in musical instruments for increasing or relaxing the tension of the strings.

(engineering) A short shaft, sometimes forming a bolt, a part of which serves as a journal.

The tenon of a dovetail joint.