<Li> In parts of Maryland, New England, the UK and India, a tidal inlet, typically in a salt marsh or mangrove swamp, or between enclosed and drained former salt marshes or swamps (e.g. Port Creek separating Portsea Island from the mainland). In these cases, the stream is the tidal stream, the course of the seawater through the creek channel at low and high tide . </Li> <Dl> <Dt> River </Dt> <Dd> A large natural stream, which may be a waterway . </Dd> <Dt> Runnel </Dt> <Dd> the linear channel between the parallel ridges or bars on a shoreline beach or river floodplain, or between a bar and the shore . Also called a swale . </Dd> <Dt> Tributary </Dt> <Dd> A contributory stream, or a stream which does not reach a static body of water such as a lake or ocean, but joins another river (a parent river). Sometimes also called a branch or fork . </Dd> </Dl> <Dd> A large natural stream, which may be a waterway . </Dd> <Dd> the linear channel between the parallel ridges or bars on a shoreline beach or river floodplain, or between a bar and the shore . Also called a swale . </Dd>

Which one is not an example of torrential (fed by rain water) river