plural twelves
1
: the number 12
2
: the 12th in a set or series
question number twelve
3
: twelve o'clock
"What time is it?" "It's twelve."
I have lunch at twelve.
4
: the twelve original disciples of Jesus Christ
Cite this Entry
“Twelve.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/twelve. Accessed 13 Jun. 2026.
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