one's turn (as in a game, etc.)

an official title in the Edo shogunate of assistant guards, who assisted Osaka guards and Sunpu guards in guarding a castle when there was a shortage of people

(sports) matches

(applied to numerals) -th: forms ordinal numerals

to form pairs; to pair up or off

number, one's turn / order, sequence / watch

number

warehouseman, guard or keeper of a warehouse

Sokoban (a computer puzzle game)

emergency telephone number 110 to call the police in Japan