A pair of oxen is called a yoke.
An ordered pair of Cartesian coordinates.
A pair of slippers
a Trapezoid
A trapezium (US trapezoid).
They are pair of additive inverses or additive opposites.
A pair of oxen is called a team of oxen or a yoke or oxen.
A pair of yoked oxen assisted in plowing the rice-paddy.
They use oxen to pull farm equipment. A pair of oxen,yoked together was used in the plough.
Examples of collective nouns for oxen drawing a wagon are:a pair of oxena team of oxen
Oxen is the plural form .Also... maybe you're thinking of the expression "a yoke of oxen"?
Oxen.
A yoke of oxen. Yoke: A crossbar with two U-shaped pieces that encircle the necks of a pair of oxen or other draft animals working together.
The plural of ox does NOT follow the usual rules for making a plural word.More than 1 ox is oxen, usually meaning a pair of 2.The farmer's team of oxen plowed the field.Oxes is not a word in the English language.
A yoke is a wooden beam which is used between a pair of oxen to allow them to pull a load (oxen almost always work in pairs). There are several types, used in different cultures, and for different types of oxen. A pair of oxen is also called a yoke of oxen, and yoke is also used as a verb: "to yoke a pair of oxen".http://en.wikipedia.org/wiki/Yoke
The oxen have slipped their yoke! The yolk of an egg is different than a pair of draft animals' 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.
Farmers in ancient used a team of oxen to pull the plough or a farm cart. Sometimes they used slaves to pull the plough perhaps six slaves replacing a pair of oxen. Often the slaves went naked.