1. twenty-one - Noun
2. twenty-one - Adjective Satellite
being one more than twenty
a gambling game using cards; the object is to hold cards having a higher count than those dealt to the banker up to but not exceeding 21
Source: WordNetTwenty one
Accessed September 5, 2014 UVA produced 1,481 officers in the Confederate Army alone, including four major-generals, twenty-one brigadier-generals, and sixty-seven colonels from ten different states. Source: Internet
After the carnage of 1914–1918, the democratic reforms of the Representation of the People Act 1918 instantly tripled the number of people entitled to vote in Britain from seven to twenty-one million. Source: Internet
A further twenty-one resort islands were forced to close because of serious damage. Source: Internet
As for the L.59, it continued to fly bombing and reconnaissance missions in Southern Europe until it exploded unexpectedly during a mission to bomb the British naval base at Malta on April 7, 1918 killing the crew of twenty-one including Bockholt. Source: Internet
And Umar ibn Khattab had embraced Islam after forty-five men and twenty-one women. Source: Internet
By 1763 there were only twenty-one Jesuits still stationed in New France. Source: Internet