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.
Entry पक्षिणी
पक्षिणीpakṣiṇīA female bird.
[पक्षतुल्यौ दिवसौ अस्याः इनि ङीप्]
A female bird.
A night with the two days enclosing it; (द्वावह्नावेकरात्रिश्च पक्षिणीत्यभिधीयते).