Definition of "streamlet"

Then the river Medway, branching it selfe into five streamlets, is joyned with as many stone Bridges […]

1637, Philemon Holland (translator), Britain by William Camden, London: George Latham, “Kent,” p. 330

[…] the eye, after poring over the unbounded expanse of the ocean, is releaved and delighted by a streamlet and a dell.

1803, Robert Charles Dallas, The History of the Maroons‎, London: Longman & Rees, Volume 1, Preface, p. iii

I wanted to jog in leisurely fashion through the green fields and chestnut avenues, over the rushing bubbling streamlets, to join Sylvie.

1974, Lawrence Durrell, Monsieur, Faber & Faber, published 1992, page 19