fingernails Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. the horny plate covering and protecting the end of any of the five jointed parts projecting from the palm of the hand Example Sentence The woman had long fingernails. Synonyms nail; claw; horny plate at the end of the pinky Antonyms hair Hear It! Say It! Write It! fingernails Switch to cursive Start Share with your friends: