noun

an area of water that is connected to a river but is not affected by its current

noun

a large area of water that flows very slowly and has a lot of water plants and animals living in it

noun

the ground at the bottom of a sea or river

noun

an area in a river, lake, or ocean where there are a lot of plants or animals of a particular kind

noun

a long curved part of the coast or a large river

noun

the deepest part of the sea or of a pool, lake, or river

noun

a part of a river that leads away from the main part

noun

a small waterfall

noun

a large waterfall

noun

a narrow area of deeper water in a river, port etc that ships can use

noun

a place where two rivers join

noun

a current that flows across the main current in a river or sea

noun

the part of a large river where it becomes wide and flows into the sea

noun

a waterfall

noun

in Scotland, the mouth of a river, where it meets the sea

noun

a gate that controls a flow of water in a river or lake

noun

a place in a stream or river where the water is not deep and you can walk or drive across

noun

one of the parts that a road, path, or river divides into

noun

the beginning of a river, where the water comes from

noun

the place where a stream starts before it flows into a river

noun

a place on a river or canal with a set of gates which open and close to allow boats in. The water can then be moved to a lower or higher level.

noun

the middle part of a river, where the current is usually strongest

noun

the place where a river is widest and joins the sea

noun

a part of a river where the water moves extremely quickly over rocks and is usually dangerous

noun

a part of a river, sea, or other area of water where the water is not very deep

noun

the beginning of a river or stream

noun

a place where water flows over the edge of a cliff, rock, or other steep place onto another level below

noun

a place in a river or stream where a wall has been built across it to control the flow of water

noun

a strong movement in a river or stream that makes the water move round and pulls things under

noun

a part of a river where the water flows so fast that it looks white

a particular part of a river that is near to/far from where it begins