twelfth[
twelfθ]
num. 
十

, 十



twelfth[ noun ]- position 12 in a countable series of things
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- one part in twelve equal parts
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[ adj ]- coming next after the eleventh and just before the thirteenth in position
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Twelfth \Twelfth\, a. [For twelft, OE. twelfte, AS. twelfta. See
{Twelve}.]
1. Next in order after the eleventh; coming after eleven
others; -- the ordinal of twelve.
2. Consisting, or being one of, twelve equal parts into which
anything is divided.
Twelfth \Twelfth\, n.
1. The quotient of a unit divided by twelve; one of twelve
equal parts of one whole.
2. The next in order after the eleventh.
3. (Mus.) An interval comprising an octave and a fifth.