R

RAPPAREE :  noun  an irregular, a bandit, a robber. See PATIBULARY

RINGENT :  adj  with mouth gaping open and teeth bared, a phenomenon often noticed in dogs and primates. See MUCIN. Compare DEHISCENCE, GURN

RITORNELLE :  noun  s musical term for refrain or concluding passage

. . . for reasonable certainty is but the repercussion and ritornelle of belief.

--Coover, "Seven Exemplary Fictions,"
Pricksongs and Descants, p. 81.

ROXBURGHE :  noun  a style of bookbinding with plain leather backs, gilt lettering and paper sides. See PATIBULARY