विरु [ viru ] [ vi-√ ru ] 1. P. [ -ruvati ] , [ -ravati ] , [ -rauti ] , to roar aloud , cry , buzz , hum , yell , sing , lament , Lit. Kāv. Lit. Kathās. ; cry or call to , invoke Lit. Bhaṭṭ. : Caus. [ -rāvayati ] , to roar or scream aloud Lit. Mn. iv , 64.