Akademik

crab apple
noun
1. 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
Syn: ↑crabapple, ↑cultivated crab apple
Hypernyms: ↑apple tree
Hyponyms:
Siberian crab, ↑Siberian crab apple, ↑cherry apple, ↑cherry crab, ↑Malus baccata, ↑Southern crab apple, ↑flowering crab, ↑Malus angustifolia
Part Meronyms: ↑crabapple
2. any of numerous wild apple trees usually with small acidic fruit
Syn: ↑wild apple, ↑crabapple
Hypernyms: ↑apple tree
Hyponyms:
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
3. small sour apple; suitable for preserving
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crabapples make a tangy jelly

Syn: ↑crabapple
Hypernyms: ↑apple
Part Holonyms: ↑crabapple, ↑cultivated crab apple

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noun, pl ⋯ apples [count]
: a small, sour apple or the kind of tree that produces it

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ˈcrab apple [crab apple crab apples] noun
a tree that produces fruit like small hard sour apples, also called crab apples

crab-apple jelly

 
Word Origin:
late Middle English: crab perhaps an alteration (influenced by crab or crabbed) of Scots and northern English scrab, in the same sense, probably of Scandinavian origin.

Useful english dictionary. 2012.