Meaning of 刀持ち in Japanese

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Definition of 刀持ち

かたなもち(katanamochi) 【刀持ち】

たちもち(tachimochi) 【太刀持ち ·太刀持】

(n) sword-bearer (subordinate whose job it is to hold their master's sword)
(sumo) rikishi carrying a sword who follows the yokozuna to the ring during his ring-entering ceremony