Definition of rivulet noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈrɪvjələt//
; NAmE NAmE//ˈrɪvjələt//
(formal) Rivers and lakes
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a very small river; a small stream of water or other liquid Rivulets of sweat ran down her back. Rain ran in tiny rivulets down the window. See related entries: Rivers and lakes Word Originlate 16th cent.: alteration of obsolete riveret (from French, literally ‘small river’), perhaps suggested by Italian rivoletto, diminutive of rivolo, based on Latin rivus ‘stream’.
See the Oxford Advanced American Dictionary entry: rivulet