Source : WordNet®

crabapple
     n 1: any of numerous varieties of crab apples cultivated for
          their small acid (usually bright red) fruit used for
          preserving or as ornamentals for their blossoms [syn: {crab
          apple}, {cultivated crab apple}]
     2: any of numerous wild apple trees usually with small acid
        fruit [syn: {wild apple}, {crab apple}]
     3: small sour apple; suitable for preserving; "crabapples make
        a tangy jelly" [syn: {crab apple}]