Tines (; also spelled tynes), prongs or teeth are parallel or branching spikes forming parts of a tool or natural object. They are used to spear, hook, move or otherwise act on other objects. They may be made of metal, wood, bone or other hard, strong materials. The number of tines on tools varies widely – a

pitchfork A pitchfork (also a hay fork) is an agricultural tool with a long handle and two to five tines used to lift and pitch or throw loose material, such as hay, straw, manure, or leaves. The term is also applied colloquially, but inaccurately, to ...

may have just two, a garden fork may have four, and a

rake Rake may refer to: * Rake (stock character), a man habituated to immoral conduct * Rake (theatre), the artificial slope of a theatre stage Science and technology * Rake receiver, a radio receiver * Rake (geology), the angle between a feature on a ...

harrow Harrow may refer to: Places * Harrow, Victoria, Australia * Harrow, Ontario, Canada * The Harrow, County Wexford, a village in Ireland * London Borough of Harrow, England ** Harrow, London, a town in London ** Harrow (UK Parliament constituency) ...

many. Tines may be blunt, such as those on a fork used as an eating utensil; or sharp, as on a

; or even barbed, as on a trident. The terms ''tine'' and ''prong'' are mostly interchangeable. A tooth of a comb is a tine. The term is also used on musical instruments such as the

Jew's harp Jews ( he, יְהוּדִים, , ) or Jewish people are an ethnoreligious group and nation originating from the Israelites Israelite origins and kingdom: "The first act in the long drama of Jewish history is the age of the Israelites""The ...

tuning fork A tuning fork is an acoustic resonator in the form of a two-pronged fork with the prongs ( tines) formed from a U-shaped bar of elastic metal (usually steel). It resonates at a specific constant pitch when set vibrating by striking it agai ...

, guitaret,

electric piano An electric piano is a musical instrument which produces sounds when a performer presses the keys of a piano-style musical keyboard. Pressing keys causes mechanical hammers to strike metal strings, metal reeds or wire tines, leading to vibrations ...

music box A music box (American English) or musical box (British English) is an automatic musical instrument in a box that produces musical notes by using a set of pins placed on a revolving cylinder or disc to pluck the tuned teeth (or ''lamellae ...

or mbira which contain long protruding metal spikes ("tines") which are plucked to produce notes. Tines and prongs occur in nature—for example, forming the branched bony

antler Antlers are extensions of an animal's skull found in members of the Cervidae (deer) family. Antlers are a single structure composed of bone, cartilage, fibrous tissue, skin, nerves, and blood vessels. They are generally found only on ...

s of

deer Deer or true deer are hoofed ruminant mammals forming the family Cervidae. The two main groups of deer are the Cervinae, including the muntjac, the elk (wapiti), the red deer, and the fallow deer; and the Capreolinae, including the ...

or the forked horns of pronghorn antelopes. The term ''tine'' is also used for mountains, such as the fictional Silvertine in ''

The Lord of the Rings ''The Lord of the Rings'' is an Epic (genre), epic high-fantasy novel by English author and scholar J. R. R. Tolkien. Set in Middle-earth, intended to be Earth at some time in the distant past, the story began as a sequel to Tolkien's 1937 c ...

''. In chaos theory (

physics Physics is the natural science that studies matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. "Physical science is that department of knowledge which rel ...

, non-linear dynamics), the branches of a bifurcation diagram are called ''tines'' and ''subtines''.

References

Tools {{Metalworking-stub