butternuts Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition plural noun. a type of tree with edible nuts. Example Sentence They used butternuts to dye their clothes brown. More Example Sentences Children love to collect butternuts in autumn. Synonyms walnuts; pecans; hickory nuts Antonyms leaf Hear It! Say It! Write It! butternuts Switch to cursive Start Share with your friends: