Used other than figuratively or idiomatically: see go, down. / (intransitive, of a heavenly body) Synonym of set, to disappear below the horizon.

Inverted, so that the top is now at the bottom. / In great disorder.

Inverted; turned so that the top is at the bottom. / In great disorder. / (finance) Owing more money for something than it is worth; having negative equity.

(of eyes) Looking downwards. / (of a person) Feeling despondent.

(computing) A cast from supertype to subtype. / (obsolete) A melancholy look. / (mining) A ventilating shaft down which the air passes in circulating through a mine.

(transitive, obsolete) To cast or throw down; to turn downward. / (transitive, Scotland) To taunt; to reproach; to upbraid. / (transitive, computing) To cast from supertype to subtype.

The practice of seeking water or other substances (usually liquid) with the aid of a forked stick or similar pointing device, as believed by some practitioners to derive from supernatural power.

present participle of dowse

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.