The meaning of rivulet is a small stream. how to use rivulet in a sentence. Ryvilets. mom and baby collections. home home; circular focus search for: search circular focus latest post . home home. today s mom cozy cuddler pregnancy pillow. Minimalist singer songwriter nathan amundson began performing as rivulets in 1999 in minneapolis, minnesota, united states. rivulets' spare sound is augmented at times by various musicians, including alan sparhawk and mimi parker of low, bob weston of shellac, chris brokaw of codeine, and jessica bailiff. Rivulet definition, a small stream; streamlet; brook. see more. Synonyms for rivulet: beck, bourn, brook, brooklet, burn, creek, gill, rill.