crab apple

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

apple tree, cherry apple, cherry crab, crabapple, cultivated crab apple, flowering crab, Malus angustifolia, Malus baccata, Siberian crab, Siberian crab apple, Southern crab apple