Collins COBUILD Advanced Learner's English Dictionary - down-river

also downriver Something that is moving down-river is moving towards the mouth of a river, from a point further up the river. Something that is down-river is towards the mouth of a river. By 09.30 we had cast off and were heading down-river. ...a big tourist hotel a few hundred yards down-river... Cologne is not so very far down-river from Mainz. ? up-river ADV: ADV after v, be ADV, n ADV, oft ADV from n • Down-river is also an adjective. ...downriver factories dispensing billows of smoke. ? up-river ADJ: ADJ n