bullock
noun
[ ˈbʊlək ]
• a male domestic bovine animal that has been castrated and is raised for beef.
bullock
verb
• work long and hard.
• "people have dropped dead bullocking their guts out"
Origin:
late Old English bulluc, diminutive of bula (see bull1). The verb (late 19th century) is by association with a bullock's use as a draught animal.
