lat·ter 
(lătər)
(lătər)adj.
1. Being the second of two persons or things mentioned: Regarding captain and major, the latter rank is higher.
2. Near or nearer to the end: the latter part of the book.
3. Further advanced in time or sequence; later: a style that has been revived in latter times.
n.
The second of two persons or things mentioned.
[Middle English, later, from Old English lætra; see lē- in the Appendix of Indo-European roots.]
latter·ly adv.