rivulets Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. small streams or thin flows of liquid. Example Sentence Rainwater trickled down the window, forming tiny rivulets on the glass. Synonyms streams; brooks; trickles Antonyms rivers; torrents Hear It! Say It! Write It! rivulets Switch to cursive Start Share with your friends: