(chiefly UK, idiomatic) To vigorously promote or defend one's interests, views, etc.

To take a shortcut.

(transitive, intransitive) To accustom (a person) to the vicissitudes of life; to cure a person of naïveté, selfishness, etc. by exposure to reality.

A confluence in the Black Przemsza river, White Przemsza river, becoming Przemsza river, in what is now Silesian Voivodeship, Poland; once the meeting point of the Empire of Russia, German Empire, Austrian-Hungarian Hapsburg Empire.

(of a look or glance) Sideways, obliquely, askance / (of a look or glance) With suspicion.

(Commonwealth of Nations) New management imposes radical changes, but those with prior experience have more knowledge.

A stone forming the base at the corner of a building. / Such a stone used ceremonially, often inscribed with the architect's and owner's names, dates and other details.

(American football, Gaelic football, hurling) Any of the defensive players who are in position on each side farthest laterally from the ball and whose principal responsibility is to defend against passes.

plural of cornerstone

plural of cornerback