A long sandwich roll.

A soft round sandwich roll.

(music) A genre of popular music that evolved in the 1950s from a combination of rhythm and blues and country music, characterized by electric guitars, strong rhythms, and youth-oriented lyrics.

(dated slang, euphemistic, 1920s, African-American Vernacular) To have sex. / To play rock and roll music. / To start, commence, begin, get moving.

(Britain) A British dessert like a jelly roll, but with ice cream instead of jelly/jam.

A miniature round loaf of bread, often accompanying a meal.

An electoral register.

(idiomatic) A person who moves around a lot and never settles down; a vagrant. / (slang) A womanizer.

(cricket) the thick part of a batsman's pads that protects the knee

(euphemistic) A session of sexual intercourse. / Used other than figuratively or idiomatically: see roll, in, the, hay.