| Noun | 1. | crabapple - 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 Synonyms: crab apple, cultivated crab apple |
| 2. | crabapple - any of numerous wild apple trees usually with small acid fruit Synonyms: wild apple, crab apple | |
| 3. | crabapple - small sour apple; suitable for preserving; "crabapples make a tangy jelly" Synonyms: crab apple |