pinon Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. any of several lowgrowing pines of western North America Example Sentence The pinon grew very tall. Synonyms pinyon; pine; pine-tree" class="word-page__definition-link">pine tree Antonyms bird Hear It! Say It! Write It! pinon Switch to cursive Start Share with your friends: