- ryllet [16th century]
rillet (plural rillets)
- A little rill.
- From the green rivage many a fall / Of diamond rillets musical.
- 1953, Isaac Asimov, Second Foundation (1971 Panther Books Ltd publication), part II: “Search by the Foundation”, chapter 8: ‘Seldon’s Plan’, page 86, ¶ 1
- First, a pearly white, unrelieved, then a trace of faint darkness here and there, and finally, the fine neatly printed equations in black, with an occasional red hairline that wavered through the darker forest like a staggering rillet.