Sentence:  ...and it does not detract from their charm that they are evidently the work of one who is somewhat weary of the journey, who would like to slip out of the heat and dust and lie down like a tired child in the cool and crystal waterway that creeps, a thread of silver, over the moor, with all its ribbons of trailing weed, its still pools and sunny <WSD>waterbreaks</WSD>. 
Meaning of the word marked with <WSD> tags:  A break in the smooth surface of a body of water, such as a ripple, whitecap, or the roughness that results from water flowing over an uneven surface.