Rites of Zhou
Meaning (1) is the core sense of "corpse; dead body; cadaver; carcass". Early ritual texts, notably the "Liji" "Classic of Rites", "Zhouli" "Rites of Zhou", and "Yili" "Etiquette and Rites", frequently use "shi" "corpse" in mortuary and funeral contexts. Here is an example "Liji" passage: