WordNet (r) 3.0 (2006):
crabapple n 1: 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 [syn: crab apple, crabapple, cultivated crab apple] 2: any of numerous wild apple trees usually with small acidic fruit [syn: wild apple, crab apple, crabapple] 3: small sour apple; suitable for preserving; "crabapples make a tangy jelly" [syn: crab apple, crabapple]