Pronunciation: ' rä-v ē
Variant: or ancient Hy · dra · o · tes \ ˌ h ī -dr ə - ' ō -( ˌ )t ē z \
Function: geographical name
river 450 mi (724 km ) N India (subcontinent) flowing SW to the Chenab & forming part of boundary bet. E. Punjab (India) & W. Punjab (Pakistan)