Definition of pedal for English Language Learners. : 1  a flat piece of metal, rubber, etc., that you push with your foot to make a machine move, work, or stop. : 2  a lever on a piano, organ, etc., that you push with your foot to make or change a sound.
In Rome, the capital of Italy, they speak Italian. actually Rome was founded in the 700 B.C.'s so Italian wasn't a language Romans spoke all Latin.
Latin was the language of ancient Rome, however the educated classes also were fluent in Greek as Greek was the international language of the ancient world. For example, if a diplomat had trouble with a certain language, he could always converse in Greek and be understood.