1) Sumo terminology 
In professional sumo, the tachimochi (太刀持ち; lit.: sword carrier) is one of the two attendants that accompany a yokozuna when he performs his dohyō-iri, or ring entrance ceremony. The other attendant is called the tsuyuharai. During the ceremony the tachimochi will follow the yokozuna, carrying his sword in his right hand, to the ring and ...