revolution, n. [rotation], gyration; [rebellion], [revolt].

revolve, v. [rotate], [spin], gyrate, [turn]; devolve; brood [over], [ruminate], [ponder], [consider].

revolver, n. pistol, repeater.

revolving, a. [rotary], gyrating, gyratory, rotatory.--n. [revolution], [rotation].

reward, n. [recompense], [requital], guerdon, [meed], remuneration premium, [bonus], [bounty], douceur, [merit]; honorarium; [retribution], [retaliation], [penalty].

reward, v. [requite], [recompense].

rhyme, n. [jingle], [poetry].

rhymer, n. [poetaster], versifier, rhymester, rhymist.

rib, n. costa. Associated words: costal, intercostal, sternal, asternal.

ribald, a. [indelicate], [gross], [indecent], [obscene], [lewd].