runnels Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition plural noun. small streams or channels of water. Example Sentence We crossed several runnels on our hike. More Example Sentences Children played near the runnels in summer. Synonyms brooks; streams; rivulets Antonyms ocean Hear It! Say It! Write It! runnels Switch to cursive Start Share with your friends: