appendages Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a projecting part as an antenna of an animal or plant body especially an arm or leg or similar part Example Sentence He examined the bifurcate appendages of an arthropod. Synonyms limb; arm; leg Antonyms gall bladder Hear It! Say It! Write It! appendages Switch to cursive Start Share with your friends: