1. The cardinal number equal to the sum of 11 + 1.
2. The twelfth in a set or sequence.
3. Twelve Bible
a. The twelve original disciples of Jesus.
b. The books of the Minor Prophets in the Hebrew Scriptures.
[Middle English, from Old English twelf; see dwo- in the Appendix of Indo-European roots.]
twelve adj. & pron.
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