Defn: A smoothly running passage of short notes (as semiquavers, or sixteenths) uniformly grouped, sung upon one long syllable, as in Handel's oratorios.
ROULEAU Rou`leau", n.; pl. F. Rouleaux (F. , E. Rouleaus. Etym: [F., a roll, dim. fr. fr. rôle, formerly also spelt roulle. See Roll.]
Defn: A little roll; a roll of coins put up in paper, or something resembling such a roll.
ROULETTE
Rou*lette", n. Etym: [F., properly, a little wheel or ball. See
Rouleau, Roll.]
1. A game of chance, in which a small ball is made to move round rapidly on a circle divided off into numbered red and black spaces, the one on which it stops indicating the result of a variety of wagers permitted by the game.
2. (Fine Arts) (a) A small toothed wheel used by engravers to roll over a plate in order to order to produce rows of dots. (b) A similar wheel used to roughen the surface of a plate, as in making alterations in a mezzotint.
3. (Geom.)
Defn: the curve traced by any point in the plane of a given curve when the latter rolls, without sliding, over another fixed curve. See Cycloid, and Epycycloid.
ROULY-POULY
Rou"ly-pou`ly, n.
Defn: See Rolly-pooly.