プログレッシブ和英中辞典(第4版)の解説
もろざし【▲諸差し】
〔相撲で〕morozashi; slipping both arms under one's opponent's armpits (and getting a grip on his belt with both hands)
もろ差しになる
〔相撲で〕get a morozashi hold on one's opponent/get a grip with both arms under one's opponent's (arms)