A heading in a book highlighted in red. / A title of a category or a class. / (Christianity) The directions for a religious service, formerly printed in red letters.

Coloured or marked with red; placed in rubrics. / Of or relating to the rubric or rubrics; rubrical.

(transitive) To adorn with red; to redden. / To organise or classify into rubrics

plural of rubber band

plural of rubber stamp

Third-person singular simple present indicative form of rubber stamp

(sports) In a series of sporting fixtures, a match of which the result is irrelevant, the winner of the series having already been determined by earlier results.

(colloquial, idiomatic) A formal dinner or event thrown by politicians to raise funds.

(chemistry) any oxide of rubidium, but especially the yellow solid Rb₂O; it is a strong base, reacting strongly with water to form the hydroxide and with acids to form normal salts

(idiomatic) A valuable feature (of software etc) overlooked by the user.