(especially) a fully-grown castrated male of cattle
big and strong
Cases of word usage
1) a wild ox (bison)
2) of, like, an ox (bovine)
3) a kind of long-horned black ox (buffalo)
4) a fully grown female or any animal of the ox family, especially the domestic kind kept by farmers for producing milk (cow)
5) the sound made by a cow or ox (moo)
6) to direct the course of (a boat, ship car etc); a young ox raised for beef (steer)
7) the part of the wall of the stomach of an ox or cow used as food; useless talk, writing, ideas etc (tripe)
8) a kind of long-haired ox of Central Asia (yak)