Source : Webster's Revised Unabridged Dictionary (1913)

Medlar \Med"lar\, n. [OE. medler medlar tree, OF. meslier, F.
   n['e]flier, L. mespilum, mespilus, Gr. ?, ?. Cf.
   {Naseberry}.]
   A tree of the genus {Mespilus} ({M. Germanica}); also, the
   fruit of the tree. The fruit is something like a small apple,
   but has a bony endocarp. When first gathered the flesh is
   hard and austere, and it is not eaten until it has begun to
   decay.

   {Japan medlar} (Bot.), the loquat. See {Loquat}.

   {Neapolitan medlar} (Bot.), a kind of thorn tree
      ({Crat[ae]gus Azarolus}); also, its fruit.

Source : WordNet®

medlar
     n 1: small deciduous tree of southern Africa having edible fruit
          [syn: {wild medlar}, {wild medlar tree}, {Vangueria
          infausta}]
     2: small deciduous Eurasian tree cultivated for its fruit that
        resemble crab apples [syn: {medlar tree}, {Mespilus
        germanica}]
     3: South African globular fruit with brown leathery skin and
        sweet-acid pithy flesh
     4: crabapple-like fruit used for preserves