1. (noun) 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

2. (noun) any of numerous wild apple trees usually with small acidic fruit

• crab apple
• wild apple

3. (noun) small sour apple; suitable for preserving

• crab apple

1. (noun) 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

• cherry apple
• cherry crab
• malus baccata
• siberian crab
• siberian crab apple
• flowering crab
• malus angustifolia
• southern crab apple

2. (noun) any of numerous wild apple trees usually with small acidic fruit

• american crab apple
• garland crab
• malus coronaria
• iowa crab
• iowa crab apple
• malus ioensis
• prairie crab
• western crab apple
• malus fusca
• oregon crab apple
• malus sylvestris
• wild crab

1. (noun) 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

• apple tree

2. (noun) any of numerous wild apple trees usually with small acidic fruit

• apple tree

3. (noun) small sour apple; suitable for preserving

• apple