This is the ideograph for an area of land combined with a pictograph of a stockade fence. Hence, it is the noun stockade.
Illustrative Text Reference:
Kalibangan: Seal: K-15 a: Jagat Pati Joshi and Asko Parpola, 1987: Corpus of Indus Seals and Inscriptions: Volume 1: Page 301: Collections in India: Suomalainen Tiedeakatemia.
Comment:
This Indus sign resembles the Naxi Dongba symbol for a stockade village¹.
Image Credit:
Indus Script Sign Number 192: Sign List of the Indus Script: Iravatham Mahadevan, 1977: The Indus Script: Texts, Concordance and Tables: The Director General Archaeological Survey of India.
Note:
1. Pedro Ceinos Arcones includes the Naxi Donba symbol for a stockade village in his review of a Naxi Dongba software package: Pedro Ceinos Arcones, 2012: E-Dongba: software to write Dongba pictographs: http://www.ethnic-china.com/Naxi/naxiedongba.htm: Accessed: 16 February 2021.