Real Dictionary

short adjective and adverb uses
If you talk about a short hour, day, or year, you mean that it seems to have passed very quickly or will seem to pass very quickly.
adjective: If something is short or lasts for a short time, it does not last very long.

short in American English
not extending far from end to end; not long or not long enough
adjective: having little length; not long

short in British English
adjective: of little length; not long

short noun uses
Shorts are men's underpants with short legs.
Shorts are trousers with very short legs, that people wear in hot weather or for taking part in sports.