a stream that is the source or a source of a river
headstream in American English
(ˈhɛdˌstrim)
noun
a stream forming the source of another and larger stream or river
headstream in American English
(ˈhedˌstrim)
noun
a stream that is the source, or one of the sources, of a river
Word origin
[1810–20; head + stream]This word is first recorded in the period 1810–20. Other words that entered Englishat around the same time include: dominance, liberalism, nihilism, rationalize, voodoo