twen·ty-one
| \ ˌtwen-tē-ˈwən
, ˌtwən- \
, ˌtwən- \
Definition of twenty-one
1
: a number that is one more than 20 — see Table of Numbers
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“Twenty-one.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/twenty-one. Accessed 21 Apr. 2021.
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Time Traveler for twenty-one
The first known use of twenty-one was circa 1611
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