Definition of thorow-wax in English:

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Pronunciation: /ˈθʌrəwaks/

Entry from British & World English dictionary


A European plant of the parsley family with yellowish-green flowers, formerly a widespread weed of cornfields.
  • Genus Bupleurum, family Umbelliferae: two species, including B. rotundifolium, which is extinct in the wild in Britain.
Example sentences
  • Species lost to the UK in recent years include corncockle, thorow-wax and small bur-parsley.
  • The conspicuous herbaceous cover of the spruce forests includes the ornamentals monkshood (Aconitum leucostomum), colombine (Aquilegia karelinii), thorow-wax (Bupleurum longifolium) and dragonhead (Dracocephalum integrifolium).


Mid 16th century: from thorough 'through' + wax2 (because the stem appears to grow through the leaves).

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Line breaks: thorow-wax

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