1. fall; decrease; drop; going down

2. knocking down; flooring; being knocked down; being floored

3. being out of action (due to illness, exhaustion, etc.); being down (e.g. with a cold); being knocked out (from alcohol); being out of it; collapsing

4. going down (of a computer system, server, etc.); crashing

5. (number of) outs

6. being down (in points, games, etc.); being behind; trailing

7. down (in American football)

8. down (feathers)

9. down jacket (Abbreviation)