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 मद्वन्
मद्वन्madvana.Ved.
[Compare Uṇ.4.112]
Vedic
Fond of enjoyment; इन्द्राय मद्वने सुतम् Ṛv.8.92.19.
Intoxicating; इन्द्राय मद्वा मद्यो मदः सुतः Ṛv.9.86.35. -Masculine An epithet of Śiva.