A waterfall — a place where water falls from a height and the falling water itself; commonly mentioned as a natural/scenic spot.
山道を歩いていると、遠くに滝の音が聞こえてきた。
While walking the mountain path, I heard the sound of a waterfall in the distance.
あの滝は夏でも涼しく、写真スポットとして人気だ。
That waterfall stays cool even in summer and is a popular photo spot.
滝の落差が大きく、迫力のある景色だった。
The waterfall had a large drop and was an impressive sight.
An archaic/literary term for rapids or swift water. Mostly found in poetic or classical contexts today.
古い和歌には、河の滝に例えて心の激しさを詠んだ句がある。
In old waka poetry there are verses likening the intensity of the heart to the rapids of a river.