The Collaborative International Dictionary of English v.0.48:

Gean \Gean\, n. [F. guigne the fruit of the gean; cf. OHG.
   w[imac]hsila, G. weichsel.] (Bot.)
   A species of cherry tree common in Europe (Prunus avium);
   also, the fruit, which is usually small and dark in color.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Cherry \Cher"ry\ (ch[e^]r"r[y^]), n. [OE. chery, for cherys, fr.
   F. cerise (cf. AS. cyrs cherry), fr. LL. ceresia, fr. L.
   cerasus Cherry tree, Gr. keraso`s, perh. fr. ke`ras horn,
   from the hardness of the wood.]
   1. (Bot.) A tree or shrub of the genus Prunus (Which also
      includes the plum) bearing a fleshy drupe with a bony
      stone;
      (a) The common garden cherry (Prunus Cerasus), of which
          several hundred varieties are cultivated for the
          fruit, some of which are, the begarreau, blackheart,
          black Tartarian, oxheart, morelle or morello, May-duke
          (corrupted from M['e]doc in France).
      (b) The wild cherry; as, Prunus serotina (wild black
          cherry), valued for its timber; Prunus Virginiana
          (choke cherry), an American shrub which bears
          astringent fruit; Prunus avium and Prunus Padus,
          European trees (bird cherry).
          [1913 Webster]

   2. The fruit of the cherry tree, a drupe of various colors
      and flavors.
      [1913 Webster]

   3. The timber of the cherry tree, esp. of the black cherry,
      used in cabinetmaking, etc.
      [1913 Webster]

   4. A peculiar shade of red, like that of a cherry.
      [1913 Webster]

   Barbadoes cherry. See under Barbadoes.

   Cherry bird (Zool.), an American bird; the cedar bird; --
      so called from its fondness for cherries.

   Cherry bounce, cherry brandy and sugar.

   Cherry brandy, brandy in which cherries have been steeped.


   Cherry laurel (Bot.), an evergreen shrub (Prunus
      Lauro-cerasus) common in shrubberies, the poisonous
      leaves of which have a flavor like that of bitter almonds.


   Cherry pepper (Bot.), a species of Capsicum (Capsicum
      cerasiforme), with small, scarlet, intensely piquant
      cherry-shaped fruit.

   Cherry pit.
      (a) A child's play, in which cherries are thrown into a
          hole. --Shak.
      (b) A cherry stone.

   Cherry rum, rum in which cherries have been steeped.

   Cherry sucker (Zool.), the European spotted flycatcher
      (Musicapa grisola); -- called also cherry chopper
      cherry snipe.

   Cherry tree, a tree that bears cherries.

   Ground cherry, Winter cherry, See Alkekengi.
      [1913 Webster]

WordNet (r) 3.0 (2006):

Prunus avium
    n 1: large Eurasian tree producing small dark bitter fruit in
         the wild but edible sweet fruit under cultivation [syn:
         sweet cherry, Prunus avium]