the main river in Myanmar, rising in the north in two headstreams and flowing south through the whole length of Myanmar, to enter the Andaman Sea by nine main mouths. Length: 2100 km (1300 miles)
Irrawaddy in American English
(ˌɪrəˈwɑdi; ˌɪrəˈwɔdi)
river flowing from N Myanmar south into the Andaman Sea: c. 1,000 mi (1,609 km)