Definition of Crabapple

Noun: crabapple

Any of numerous varieties of crab apples cultivated for their small acidic (usually bright red) fruit used for preserves or as ornamentals for their blossoms
- crab apple, cultivated crab apple
Any of numerous wild apple trees usually with small acidic fruit
- wild apple, crab apple
Small sour apple; suitable for preserving
"crabapples make a tangy jelly";
- crab apple