Noun wild apple has 1 sense
  1. wild apple, crab apple, crabapple - any of numerous wild apple trees usually with small acid fruit
    --1 is a kind of apple tree
    --1 has particulars:
     wild crab, Malus sylvestris; American crab apple, garland crab, Malus coronaria; Oregon crab apple, Malus fusca; Iowa crab, Iowa crab apple, prairie crab, western crab apple, Malus ioensis