"oxen" in the noun sense
1. ox
an adult castrated bull of the genus Bos especially Bos taurus
"so many head of cattle"
"wait till the cows come home"
"seven thin and ill-favored kine"- Bible
"a team of oxen"
2. ox, wild ox
any of various wild bovines especially of the genera Bos or closely related Bibos
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License