what is a crab apple
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. crab apple, crabapple - small sour apple; suitable for preserving; crabapples make a tangy jelly. apple tree - any tree of the genus Malus especially those bearing firm rounded edible fruits.