Oxbow

An oxbow is a U-shaped metal pole (or larger wooden frame) that fits the underside and the sides of the neck of an ox or bullock. A bow pin holds it in place.

Developed form

Its upper ends pass through a purpose-drilled hole through the bar of the yoke that is held in place into the yoke with a metal screw or key, called a bow pin. Where wood is used it is most often hardwood steamed into shape, especially elm, hickory or willow. A ring, enabling left/right movement controlled from the centre is attached by a plate to the centre underside of a wooden yoke to enable a pair of bullocks/oxen to be chained to any other pairs in a team and to be hitched to the load behind the animal team.

Uses of the yoke and oxbows

The load is a plough or any other dragged, non-motorised, field agricultural machinery.

Alternative

Wooden staves can be used instead with a yoke, which is then termed a withers yoke, named after animals with high backs (withers) (e.g. zebu cattle) which pull mostly the on yoke part of the equipment, not as greatly on the bow shape borne by the stronger front quarters of oxen and bullocks.

Oxbow lake

An oxbow lake is a U-shaped body of water that forms when a wide meander from the main stem of a river is cut off, creating a free-standing body of water. This landform is so named for its distinctive curved shape, resembling the bow pin of an oxbow. In Australia, an oxbow lake is known as a billabong, from the indigenous language Wiradjuri. In south Texas, oxbows left by the Rio Grande are called resacas.

The word "oxbow" can also refer to a U-shaped bend in a river or stream, whether or not it is cut off from the main stream.

Geology

An oxbow lake forms when a river creates a meander, due to the river's eroding the bank through hydraulic action, abrasion and erosion. After a long period of time, the meander becomes very curved, and eventually the neck of the meander becomes narrower and the river cuts through the neck during a flood, cutting off the meander and forming an oxbow lake.

When a river reaches a low-lying plain, often in its final course to the sea or a lake, it meanders widely. In the vicinity of a river bend, deposition occurs on the convex bank (the bank with the smaller radius). In contrast, both lateral erosion and undercutting occur on the cut bank or concave bank (the bank with the greater radius.) Continuous deposition on the convex bank and erosion of the concave bank of a meandering river cause the formation of a very pronounced meander with two concave banks getting closer. The narrow neck of land between the two neighboring concave banks is finally cut through, either by lateral erosion of the two concave banks or by the strong currents of a flood. When this happens, a new straighter river channel is created and an abandoned meander loop, called a cutoff, is formed. When deposition finally seals off the cutoff from the river channel, an oxbow lake is formed. This process can occur over a time scale from a few years to several decades and may sometimes become essentially static.

Oxbow (surfwear)

Oxbow is a brand of clothing and athletic equipment. Since its creation in 1985 in Pont-Audemer, France, Oxbow has positioned itself in the world of boardsports as an international brand. Oxbow restarted the World Longboard Championship in 1992, and sponsors athletes such as surfer Laird Hamilton and windsurfer Jason Polakow. Oxbow's Back to Powder winter event draws some of the best skiers and snowboarders in the world. The business is involved in five sports: surfing, windsurfing, kitesurfing, snowboarding, and skiing. Oxbow became an affiliate of the French group Lafuma in 2005.

Team Oxbow

External links

References

Yoke

A yoke is a wooden beam normally used between a pair of oxen or other animals to enable them to pull together on a load when working in pairs, as oxen usually do; some yokes are fitted to individual animals. There are several types of yoke, used in different cultures, and for different types of oxen. A pair of oxen may be called a yoke of oxen, and yoke is also a verb, as in "to yoke a pair of oxen". Other animals that may be yoked include horses, mules, donkeys, and water buffalo.

Etymology

The word "yoke" is believed to derive from Proto-Indo-European *yugóm (yoke), from verb *yeug- (join, unite). This root has descendants in almost all known Indo-European languages including German Joch, Latin iugum, Ancient Greek ζυγόν (zygon), Persian یوغ (yuğ), Sanskrit युग (yugá), Hittite 𒄿𒌑𒃷 (iúkan), Old Church Slavonic иго (igo), Lithuanian jungas, Old Irish cuing, Armenian լուծ (luç), etc. (all meaning "yoke"). The verb to subjugate derives from the Latin form.

Neck or bow yoke

A bow yoke /ˈboʊ/ is a shaped wooden crosspiece bound to the necks of a pair of oxen (or occasionally to horses). It is held on the animals' necks by an oxbow, from which it gets its name. The oxbow is usually U-shaped and also transmits force from the animals' shoulders. A swivel between the animals, beneath the centre of the yoke, attaches to the pole of a vehicle or to chains (traces) used to drag a load.

Yoke (Lake District)

Yoke is a fell in the Lake District in Cumbria, England. It has a height of 706 m (2,316 ft) and is situated in the far eastern sector of the national park, 7 kilometres north east of the town of Ambleside. Yoke is the southern extremity of the long ridge that runs southwards from the fell of High Street. Yoke’s name is believed to be derived from the Old English language word geoc which is similar to the German word joch meaning mountain ridge.

Ascents

Yoke is not known to Lake District writers as one of the most attractive fells but it is climbed frequently as part of the Kentmere Horseshoe, a 19 kilometre walk with 1,100 metres of ascent that starts and finishes in the village of Kentmere and takes in the other fells of Kentmere Pike, Harter Fell, Mardale Ill Bell, Thornthwaite Crag, Froswick and Ill Bell. Most common direct ascents go via the summit of the Garburn Pass (Byway open to all traffic), which can be reached either from Kentmere or Troutbeck. At the top of the pass the walker turns northwards following a wall over initial boggy ground to reach the summit of the fell. Some repair work has been done on these southern slopes of Yoke to address the problem of footpath erosion

Yoke (disambiguation)

A yoke is a device borne across the shoulders of animals or humans, for example to harness draught animals together, or to assist humans (see carrying pole) in transporting heavy or awkward burdens.

Yoke may also refer to:

See also