Synonyms for Medlar (same or very similar meaning)
WordNet sense 1 (small deciduous tree of southern Africa having edible fruit):
wild medlar, Vangueria infausta, wild medlar tree
WordNet sense 2 (small deciduous Eurasian tree cultivated for its fruit that resemble crab apples):
medlar tree, Mespilus germanica
From the ODE community, based on WordNet
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