[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Reference works](https://indike.org/pramana/ins.reference) › [Vedic Index of Names and Subjects](https://indike.org/pramana/ins.reference.macdonell-keith-1912) › v1.c3.s4.171 # Vedic Index of Names and Subjects v1.c3.s4.171 Vedic Index of Names and Subjects v1.c3.s4.171 - **Language:** English ### [v1.c3.s4.171](https://indike.org/pramana/ins.reference.macdonell-keith-1912.v1.c3.s4.171) Upara, which, according to Pischel,¹ means ‘stone’ in general, is the technical name of the stone on which the Soma plant was laid in order to be pounded for the extraction of the juice by other stones (adri, grāvan). The word is rare, occurring only thrice in the Rigveda,² and once in the Atharvaveda.³ - [Previous: v1.c3.s4.170](https://indike.org/pramana/ins.reference.macdonell-keith-1912.v1.c3.s4.170) - [Next: v1.c3.s4.172](https://indike.org/pramana/ins.reference.macdonell-keith-1912.v1.c3.s4.172) - [Up: v1.c3.s4](https://indike.org/pramana/ins.reference.macdonell-keith-1912.v1.c3.s4) --- Source: [https://indike.org/pramana/ins.reference.macdonell-keith-1912.v1.c3.s4.171](https://indike.org/pramana/ins.reference.macdonell-keith-1912.v1.c3.s4.171) · Pramāṇa