Noun

The act of excluding or shutting out; removal from consideration or taking part.

* {{quote-news

, year=2011 , date=September 2 , author=Phil McNulty , title=Bulgaria 0-3 England , work=BBC citation , page= , passage=It was also a satisfying night for England coach Capello. Not only did he have a vital victory to celebrate, but his team selection was fully justified as Cahill gave an almost flawless performance in defence and Scott Parker's display made light of the surprising exclusion of Frank Lampard.}}

(obsolete) The act of pushing or forcing something out.

* 1646 , Sir Thomas Browne, Pseudodoxia Epidemica , III.6:

For the exclusion of animals is not merely passive like that of eggs, nor the total action of delivery to be imputed unto the mother, but the first attempt beginneth from the infant [...].

An item not covered by an insurance policy.

Noun

(en-noun)

An order by the government prohibiting ships from leaving port.

A ban on trade with another country.

* 2004 , , Character: Profiles in Presidential Courage

Instead he [Jefferson] proposed an embargo , an end to all trade between America and England.

A temporary ban on making certain information public.

* This copy of the federal budget is under embargo until 2 p.m.