Eleventh
Eleventh , adjective
[Compare Anglo-Saxon endlyfta. See Eleven.]
1.
Next after the tenth; as, the eleventh chapter.
2.
Constituting one of eleven parts into which a thing is divided; as, the eleventh part of a thing.
3.
(Music) Of or pertaining to the interval of the octave and the fourth.
Eleventh , noun
1.
The quotient of a unit divided by eleven; one of eleven equal parts.
2.
(Music) The interval consisting of ten conjunct degrees; the interval made up of an octave and a fourth.