oxen oxen /ˈɑːksən/

noun

1. () Domesticated bovine animals as a group regardless of sex or age  ( Bos taurus , kine [Archaic] , cows , cattle , oxen )
   domesticated bovine animals as a group regardless of sex or age
    So many head of cattle
   so many head of cattle
    Wait till the cows come home
   wait till the cows come home
    Seven thin and ill-favored kine
   seven thin and ill-favored kine
    A team of oxen
   a team of oxen
   
   

 ox ox /ˈɑːks/

noun

1. () An adult castrated bull of the genus Bos; especially Bos taurus  ( ox )
   an adult castrated bull of the genus Bos; especially Bos taurus
    The farmer relied on his strong ox to plow the fields each spring.
   The farmer relied on his strong ox to plow the fields each spring.
   
   
2. Any of various wild bovines especially of the genera Bos or closely related Bibos  ( ox , wild ox )
   any of various wild bovines especially of the genera Bos or closely related Bibos