Nine"teenth` , n.
1. The quotient of a
unit divided by nineteen; one of nineteen equal parts of anything.
2. The next in order
after the eighteenth.
3. (Mus.) An interval of two octaves and a
fifth.
Nine"teenth` (?), a.
[Cf. AS. nigonteó&?;a.]
1. Following the eighteenth and preceding the twentieth; coming after eighteen
others.
2. Constituting or being one
of nineteen equal parts into which anything is divided.