वाचम्vācamacc. of वाच्, in comp.
accusative of वाच्, in compound
यामिमां पुष्पितां वाचं प्रवदन्त्यविपश्चितः ।
कोशःDictionaries
Apte, Monier-Williams and Macdonell at once. Type in any of fifteen scripts and schemes; the word is converted and looked up wherever it is part of a headword.