Noun crataegus tomentosa has 1 sense
  1. blackthorn, pear haw, pear hawthorn, Crataegus calpodendron, Crataegus tomentosa - erect and almost thornless American hawthorn with somewhat pear-shaped berries
    --1 is a kind of hawthorn, haw
    --1 is a member of Crataegus, genus Crataegus
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