[1] : The Collaborative International Dictionary of English v.0.48

latter \lat"ter\, a. oe. later, laetter, compar. of lat late.
   see late, and cf. later.
   1. later; more recent; coming or happening after something
      else; -- opposed to former; as, the former and latter
      rain.
      1913 webster

   2. of two things, the one mentioned second.
      1913 webster

            the difference between reason and revelation, and in
            what sense the latter is superior.    --i. watts.
      1913 webster

   3. recent; modern.
      1913 webster

            hath not navigation discovered in these latter ages,
            whole nations at the bay of soldania? --locke.
      1913 webster

   4. last; latest; final. r. "my latter gasp." --shak.
      1913 webster

   latter harvest, the last part of the harvest.

   latter spring, the last part of the spring of the year.
      --shak.
      1913 webster
see also:
late later former latter harvest latter spring 

Harvest >> H Words
Harvest, definition of term: Harvest
harvest_pag1.html

Latter >> L Words
Latter, definition of term: Latter
latter_pag1.html

Harvest Moon >> H Words
Harvest Moon, definition of term: Harvest Moon
harvest+moon_pag1.html