横よこ静せい索さくよこせいさくじ字FuriganaMeanings1nounrigging; shroudsNautical term referring to the ropes, cables, or chains supporting a ship's masts; specifically the lateral shrouds. Rare outside maritime contexts.横よこ静せい索さくは帆はん船せんのマストを支ささえる重じゅう要ような索