Word Parts ride + -er Pronunciation enPR: rī'də(r) (UK) (US) IPA (key): /ˈraɪ.də(r)/ Audio (US)(file) Homophone: writer (without flapping but without Canadian raising) Noun Singular rider Plural riders (countable) A rider is a person who is riding or who can ride a horse, bike, motorcycle, etc. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads