head phone Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a device worn on or over the ears to listen to sound. Example Sentence I need a head phone set to work quietly on my computer. Spelled as two words. More Example Sentences Headphones help block outside noise while listening. Synonyms headset; earphones; earbuds Hear It! Say It! Write It! head phone Switch to cursive Start Share with your friends: