also: そじし
meat along the spine; back flesh
Archaic term for the meat, flesh, or muscles running along the spine, especially of animals. Not used in modern Japanese; encountered only in historical or culinary texts.
The word 膂宍 appears in old documents, but it is not used today.
Archaic kanji spelling; 膂 means backbone and 宍 is an old variant of 肉 (meat).
Alternate archaic spelling using 背 (back) instead of 膂.
Alternate reading そじし, also archaic.
Compound of 膂 (backbone) and 宍 (archaic variant of 肉, meat). The reading そしし (or そじし) is of uncertain origin; possibly a native Japanese compound predating widespread kanji use.