riff

(noun) a Berber living in northern Morocco. Synonyms: Riff, Riffian.

(noun) a jazz ostinato; usually provides a background for a solo improvisation.

(verb) look through a book or other written material. Synonyms: flick, flip, thumb, riffle, leaf. Examples: "He thumbed through the report." "She leafed through the volume."

(verb) play riffs.