Radical 氵
8 strokes
water 氵 (78a) + may 可 (140) = river 河
There is also another character for “river” (Character 148) at the end of this chapter.
[运河 (57) yùnhé canal]
[星河 (136) xīnghé the Milky Way]

Water for the dunking stool at the May celebrations has to be brought from the river. / The fairy puts herbs into it to hide the smell!