Cantus is a Latin term that refers to a vocal or instrumental musical piece. Synonyms that can be used instead of cantus include melody, tune, song, air, aria, chant, composition, ditty, harmony, hymn, jingle, carol, motet, psalm, serenade, and melody line. These synonyms are often used interchangeably, depending on the context that they are used in. Cantus and its synonyms are an important part of music as they represent a melody or a tune that is part of a larger composition. Through the use of synonyms, musicians and music lovers alike are able to express themselves using a more diverse vocabulary.