Eleventh
From BiblePortal Wikipedia
Webster's Dictionary [1]
(1): ( a.) Of or pertaining to the interval of the octave and the fourth.
(2): ( a.) Next after the tenth; as, the eleventh chapter.
(3): ( n.) The quotient of a unit divided by eleven; one of eleven equal parts.
(4): ( a.) Constituting one of eleven parts into which a thing is divided; as, the eleventh part of a thing.
(5): ( n.) The interval consisting of ten conjunct degrees; the interval made up of an octave and a fourth.
King James Dictionary [2]
Elev'Enth, a. The next in order to the tenth as the eleventh chapter.