1) Being one of 19 equal parts 2) Hole filled with bottles 3) Next after the eighteenth 4) Ordinal 5) Watering hole 
• (n.) An interval of two octaves and a fifth. • (a.) Following the eighteenth and preceding the twentieth; coming after eighteen others. • (a.) Constituting or being one of nineteen equal parts into which anything is divided. • (n.) The next in order after the eighteenth. • (n.) The quotient of a unit divided by nineteen; ...
Nine'teenth` adjective [ Confer Anglo-Saxon 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. 
In music a nineteenth is an interval of two octaves and a fifth.
[adj] - coming next after the eighteenth in position 2. [n] - position 19 in a countable series of things
19th adjective coming next after the eighteenth in position
next after the eighteenth; being the ordinal number for 19. · being one of 19 equal parts.