俵 - bag, bale, sack

(wrestling) ring

edge of the ring

straw bag; sack; bale

wrestler's belt used in a bout

one (straw) bagful

bag of rice

making bags out of this year's straw (during autumn)

number of straw bags

first tournament for a wrestler

bales forming the edge of the ring

bales forming the edge of the ring

4 corner bales on the outer rim of the sumo ring