Meanings

to have aged without having accomplished anything

front runner

building for observing horse racing, horseback archery, etc. (sometimes specifically that used by the emperor on the greater palace grounds)

metric horsepower (approx. 735W)

French horse-power

starting gate

Sargassum fulvellum (species of edible brown alga)

low geta (once used when cleaning the garden)

Tajima cattle (breed of black Wagyu cattle)

horse tramway

crestfish (Lophotus capellei)

enormous

rocking horse

horse's name

racing tip

domestically bred horse

Przewalski's horse (Equus ferus przewalskii)

traditional horse-racing

betting ticket with a payout of at least 100 times

stall (i.e. in a stable)