(grammar) Abbreviation of relative.

(medicine) An infection of the uterus most commonly seen in dogs, but also occasionally in other small mammals, resulting from hormonal and structural changes in the lining of the uterus.

(pharmacology) An oral class III antiarrhythmic agent used for treatment and prevention of atrial fibrillation and flutter.

A village and civil parish in South Cambridgeshire district, Cambridgeshire, England (OS grid ref TL5646).