n.
1.(physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber)
2.the process or result of becoming smaller or pressed together
3.a word formed from two or more words by omitting or combining some sounds
4.the act of decreasing (something) in size or volume or quantity or scope
Idiom of the Day
hold (someone) down or hold down (someone)
to try to keep someone from succeeding
The president of the company is trying to hold down the manager so he does not challenge his position.