thirteenth: Meaning and Definition of
thir•teenth
Pronunciation: (thûr'tēnth'), [key]
— adj.
- next after the twelfth; being the ordinal number for 13.
- being one of 13 equal parts.
—n.
- a thirteenth part, esp. of one ().
- the thirteenth member of a series.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.