1. (

• crab_apple ,
• crabapple ,
• cultivated_crab_apple

) 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 ;

2. (

• wild_apple ,
• crab_apple ,
• crabapple ,

) any of numerous wild apple trees usually with small acidic fruit ;

3. (

• crab_apple ,
• crabapple

) small sour apple; suitable for preserving; "crabapples make a tangy jelly" ;