Used other than figuratively or idiomatically: see get, down. / (transitive or intransitive) To bring or come down; to descend; to cause to bring or come down. / (transitive) To concentrate; attend.

(nautical) Of a ship: so far distant that only the masts and sails are visible above the horizon.

(computing) The action of pushing the button on a mouse twice in quick succession in order to perform a different task that would be performed from a single-click or triple-click.

(computing) To push the button on a mouse twice in quick succession in order to perform a different task than would be performed from a single-click or triple-click.

(nautical) To close or make watertight, referring to hatches and cargo. / (transitive) To secure. / (intransitive) To prepare for adversity.

(sciences) A form of scientific testing in which some information is withheld from two different parties. Most commonly, neither the tester nor the subjects tested know which are the control items and which are the test items.

(idiomatic) To prepare for trouble.

(intransitive, Britain) To become quieter. / (intransitive, Britain) To reduce intensity of an activity. / (transitive, Britain) To make someone or something become quieter.

Used other than figuratively or idiomatically: see bear, down. / (nautical) To steer away from the wind; to approach from windward. / (transitive) To push (someone) to the ground; to defeat, overcome.

(UK, Australia, New Zealand) evasive and shifty / (UK, Australia, New Zealand) unsound and unreliable / dishonest / risky / deviant / uncomfortable and weird