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 ग्रसनम्
ग्रसनम्grasanamSwallowing, eating.
[ग्रस् भावे ल्युट्]
Swallowing, eating.
Seizing.
A partial eclipse of the sun or moon; Bṛi. S.5.43,46.
A mouth, jaw; प्राशित्रमास्ये ग्रसने ग्रहास्तु ते Bhāg.3.13.36.