(music) Any musical chord which has the tones a major third (as opposed to a minor third) and a perfect fifth above its root, i.e. the notes of a major triad, but possibly containing other intervals, such as a seventh or ninth.

(idiomatic, business, finance) To monopolize a resource or commodity, as with the intent of driving up prices.

(astronomy) A winter constellation of the northern sky, said to resemble a dog following the hunter Orion. It includes the brightest star in the night sky, Sirius (sometimes called the Dog Star).

To have accomplished all there is to do; to have no further work or difficulty. / To have achieved a lifestyle characterized by good fortune and comfort.

A room in a library set aside for the storage and use of maps.

(derogatory) A woman, regarded as somebody whose sole purpose is to bear children.

Used to express disappointment or annoyance. / Used to express excitement or enthusiasm.

A plastic or rubber mask through which oxygen may be breathed from a storage tank.

A sudden development or action to surprise an enemy.

The average citizen, as contrasted with the social, political or cultural elite.