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 वह्यम्
वह्यम्vahyam1 A carriage.
1 A carriage.
A vehicle or conveyance in general; तेन वह्येन हन्तासि त्वमर्यं पुरुषाशिनाम् Bk.6.51.