संस्‍कृतशब्‍दकोशः

Monier–Williams

उच्छ्वञ्च् — {uc-chvañc} ({ud-} √{śvañc}), Ā. (Impv. 2. sg. {úc-chvañcasva} RV. x, 18, 11 and 142, 6) to gape, cleave open