In this symbol, the pictograph of a pack is used to represent the body or trunk of an animal. The engraver has added four legs, but there is no head. Hence, the symbol represents a carcass. It is the noun meat.
Illustrative Text Reference:
Mohenjo-daro: Seal: M-396 a: Jagat Pati Joshi and Asko Parpola, 1987: Corpus of Indus Seals and Inscriptions: Volume 1: Page 96: Collections in India: Suomalainen Tiedeakatemia.
Image Credit:
Indus Script Sign Number 58: Sign List of the Indus Script: Iravatham Mahadevan, 1977: The Indus Script: Texts, Concordance and Tables: The Director General Archaeological Survey of India.