馬うま柱ばしら

noun

horse racing form guide; racecard

A posted guide at a racetrack or in a racing program showing each horse's name, pedigree, past performance, and other details.

• 競けい馬ば場じょうで馬うま柱ばしらをじっくり見みてから馬ば券けんを買かった。

  At the racetrack, I studied the form guide carefully before buying a betting ticket.