Noun
small sour apple; suitable for preserving
any of numerous wild apple trees usually with small acidic fruit
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
Source: WordNetcrab-apple
crabapples make a tangy jelly Source: Internet
Chinese flowering crab-apple is seen during the 21th Chinese flowering crab-apple festival at Yuan Dynasty City Wall Relics Park, Beijing, April 11, 2018. Source: Internet
The Orchard has apple, Damson, Pear, Crab Apple and Cherry trees. Source: Internet