The Indus Dictionary Project
This ideograph combines the verb to turn with the noun canopy. Hence, it gives us the noun spinning shed.
Mohenjo-daro: Seal: M-219 a: Jagat Pati Joshi and Asko Parpola, 1987: Corpus of Indus Seals and Inscriptions: Volume 1: Page 56: Collections in India: Suomalainen Tiedeakatemia.
Indus seal M-219 is damaged and part of the inscription is missing. However, the remaining part of the second character indicates that the second character might be a spindle.
Indus Script Sign Number 234: Sign List of the Indus Script: Iravatham Mahadevan, 1977: The Indus Script: Texts, Concordance and Tables: The Director General Archaeological Survey of India.