ˈ ̷ ̷| ̷ ̷ ̷ ̷ adverb (or adjective)
Etymology: up (IV) + river
: toward, at, or from a point nearer the source of a river
proceeded upriver — R.P.Warren
an upriver voyage — John Hersey
ˈ ̷ ̷| ̷ ̷ ̷ ̷ adverb (or adjective)
Etymology: up (IV) + river
: toward, at, or from a point nearer the source of a river
proceeded upriver — R.P.Warren
an upriver voyage — John Hersey
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012