From Longman Dictionary of Contemporary Englishhoofhoof1 /huːf $ hʊf, huːf/ ●●○ noun (plural hoofs or hooves /huːvz $ hʊvz, huːvz/) 1 
HBA[countable] the hard foot of an animal such as a horse, cow etc2 → on the hoof
HBA[countable] the hard foot of an animal such as a horse, cow etc2 → on the hoofExamples from the Corpus
hoof• But horses have yet to evolve a hoof suitable for constant wear on hard surfaces or rough stony tracks.• Deer are supposed to be quiet creatures, but this one made a sound, each hoof crisp on the asphalt.• Except for a lame and swollen front hoof, the bull appeared fine, if dazed by all the commotion.• The sound of a horse in harness, of its hoof idly striking a stone!• In one of these potholes, Estrelita's front right hoof became trapped.• While fitzAlan hefted the grey's hoof and set to work, she glanced about, absently patting Chalon's velvety muzzle.hoofhoof2 verb → hoof it→ See Verb tableExamples from the Corpus
hoof• Romero acts and sings, and even hoofs a little.• Sadly, most soccer sims just involve hoofing it up the pitch and loads of chasing aimlessly after the ball.• So much for a passing game - hoof the ball into the other half and see what happens.• Now you could don solid-sequined tap shoes to hoof with Rosie and her tap team on an electronically amplified stop sign.Origin hoof1 Old English hof 