Definify.com
Webster 1913 Edition
Nineteenth
Nine′teenthˊ
,Adj.
[Cf. AS.
nigonteóða
.] 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.
Nine′teenthˊ
,Noun.
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.
Webster 1828 Edition
Nineteenth
NI'NETEENTH
,Adj.