Meaning of American crab apple

Amer'ican crab' ap"ple

Pronunciation: [key]
  1. a twiggy, stiff-branched tree, Malus coronaria, of southern central North America, having small fruit and rose-colored flowers that change to white. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.