An English and Welsh patronymic surname from the given name Richard. / A village in Vernon County, Missouri, United States.

plural of Richard

A male given name from the Germanic languages. / (rare compared to given name) A surname originating as a patronymic.

Alternative form of Richard's Castle.

(rhyming slang, humorous, archaic) A dictionary.

The paradox where, given the observation that certain English phrases unambiguously define real numbers while others do not, there is an infinitely long list of English phrases that unambiguously define real numbers, yet (using a similar technique to Cantor's diagonal argument) it is possible to generate another such phrase not in the list.

plural of Richard Roe

(idiomatic) Synonym of John Doe

Anthus richardi, a medium-sized passerine bird which breeds in open grasslands in the East Palearctic.

A village and civil parish in north Herefordshire, England (OS grid ref SO4969). / A civil parish in south Shropshire, England, bordering onto the Herefordshire parish.