Dictionary Definition:
ud-√vad P. -vadati (inf. úd-vaditos MaitrS. i, 4, 10) to raise one's voice, utter, speak, pronounce RV. x, 166, 5 AV. v, 20, 11 MaitrS. ŚBr. TBr.: Caus. -vādayati, to cause to proclaim
• to cause to resound ŚBr