a type of skiing boot that is made of rigid plastic
2. horse racing
an old-fashioned horse trainer
adjective
3. horse racing
relating to an old-fashioned horse trainer
trained by hardboot veterans of the mid-Atlantic circuit
hardboot in American English
(ˈhɑːrdˌbuːt)
noun
a horse-racing enthusiast
Word origin
[1920–25; hard + boot1]This word is first recorded in the period 1920–25. Other words that entered Englishat around the same time include: Unknown Soldier, audio, checkout, follow-up, superpower