V. S. Apte, The Practical Sanskrit–English Dictionary. Look up any word of the Gita in Devanagari, IAST or Harvard-Kyoto, or browse the headwords letter by letter.
Anything endowed with a body (whether animate or inanimate); शरीरिणां स्थावरजङ्गमानां सुखाय तज्जन्मदिनं बभूव Ku.1.23; मरणं प्रकृतिः शरीरिणाम् R.8.87,43.
A sentient being.
A man.
The soul (clad with the body); स्वशरीरशरीरिणावपि श्रुतसंयोगविपर्ययौ यदा R.8.89; अन्तवन्त इमे देहा नित्यस्योक्ताः शरीरिणः Bg.2.18.
antavanta ime dehā nityasyoktāḥ śarīriṇaḥ, — Finite bodies have an end, but that which possesses and uses the body, is infinite, illimitable, eternal, indestructible. Therefore fight, O Bharata. 2·18
शरीरिणःśarīriṇaḥgenitive singular of the masculine noun śarīrin (that which possesses and uses the body).