Prut or Pruth (both: pr t), river, c.530 mi (850 km) long, rising in the Carpathian Mts., W Ukraine, and flowing generally SE to the Danube River at Reni.
Prut (pr t) A river rising in southwest Ukraine and flowing about 885 km (550 mi) generally southeast along the Romania-Moldova border to the Danube River.
Prut. River in eastern Europe; length 900 km/565 mi. The Prut rises in the Carpathian Mountains in southwestern Ukraine, and flows south to meet the Danube at Reni.