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 स्तन्
स्तन्stanto sound.
to sound.
to sigh.
to mourn. -With वि to roar.
Derived forms and compounds
स्तन्stan
1 Parasmaipada, 1 Ubbayapada (Parasmaipada and Atmanepada) (स्तनति, स्तनयति, स्तनित)
To sound, make a sound, resound, reverberate.
To groan, breathe hard, sigh.
To thunder, roar loudly; तस्तनुर्जज्वलुर्मम्लुर्जग्लुर्लुलुठिरे क्षाताः Bk.14.3. -With नि