oxheart

from WordNet (r) 3.0 (2006)

oxheart
    n 1: any of several cultivated sweet cherries having sweet juicy
         heart-shaped fruits [syn: {heart cherry}, {oxheart},
         {oxheart cherry}]
    2: large heart-shaped sweet cherry with soft flesh [syn: {heart
       cherry}, {oxheart}, {oxheart cherry}]

from The Collaborative International Dictionary of English v.0.48

Oxheart \Ox"heart`\, n.
   A large heart-shaped cherry, either black, red, or white.
   [1913 Webster]