sumo(redirected from Small Ubiquitin-Like/-Related Modifier)
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sport in which two unarmed opponents grapple with one another. The object is to secure a fall, i.e., cause the opponent to lose balance and fall to the floor, and ultimately to pin the supine opponent's shoulders to the floor, through the use of body grips, strength,
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the national style of wrestling of Japan, the object of which is to force one's opponent to touch the ground with any part of his body except the soles of his feet or to step out of the ring