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 वाचनम्
वाचनम्vācanamA lesson.
Derived forms and compounds
-ना
A lesson.
A chapter.
वाचनम्vācanam
वच्-णिच् स्वार्थे वा णिच् ल्युट्
Reading, reciting.
Declaration, proclamation, utterance; as in स्वस्तिवाचनम्, पुण्याहवाचनम् q. quod vide, which see v.