crab apple
US /ˈkræb ˌæp.əl/
UK /ˈkræb ˌæp.əl/
1.
a small, sour, wild apple, often used for making jelly or preserves
:
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She made a delicious jelly from the crab apples picked in her garden.
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The tree in the front yard produces many small, red crab apples every autumn.