a river in N Thailand, rising in the N highlands and flowing south to the Gulf of Thailand. Length: (including the headstreams Nan and Ping) 1200 km (750 miles)
Also called: Menam
Chao Phraya in American English
(ˈtʃaʊ prɑˈjɑ; ˈpraɪə)
principal river of Thailand, in the W part, flowing past Bangkok into the Gulf of Thailand: c. 160 mi (257 km)