Source : Webster's Revised Unabridged Dictionary (1913)

Chokecherry \Choke"cher`ry\, n. (Bot.)
   The astringent fruit of a species of wild cherry ({Prunus
   Virginiana}); also, the bush or tree which bears such fruit.

Source : WordNet®

Prunus virginiana
     n : a common wild cherry of eastern North America having small
         bitter black berries favored by birds [syn: {chokecherry},
          {chokecherry tree}]