From the higher end to the lower of. / From north to south of. / From one end to another of (in any direction); along.

Facing downwards. / At a lower level than before. / (informal) Sad, unhappy, depressed, feeling low. / (normally in the combination 'down with') Sick or ill. / Having a lower score than an opponent.

(transitive) To knock (someone or something) down; to cause to come down; to fell. / (transitive) Specifically, to cause (something in the air) to fall to the ground; to bring down (with a missile etc.).

A negative aspect; a downer, a downside. / (dated) A grudge (on someone). / An act of swallowing an entire drink at once.

(especially southern England) A hill, especially a chalk hill; rolling grassland / (usually in the plural) A field, especially one used for horse racing.

Soft, fluffy immature feathers which grow on young birds. Used as insulating material in duvets, sleeping bags and jackets.

(transitive) To cover, ornament, line, or stuff with down.

going from a higher position to a lower position

plural of down-down

(slang) Among the Hash House Harriers, a penalty in which an individual must down his or her drink.