Definition of merveille du jour in English:

merveille du jour

Line breaks: mer|veille du jour
Pronunciation: /mɛːˌveɪ d(j)uː ˈʒʊə
 
/

noun

  • A European moth with greyish-green coloration that camouflages it when at rest on lichen-covered bark.
    • Dichonia aprilina, family Noctuidae
    More example sentences
    • Among the species of moth present are lesser belle, sub-angled wave and scarce merveille du jour.
    • The ancient woodland at Orlestone Forest lies within a larger area of woodland, renowned for its moths and butterflies, for example the scarce merveille du jour, ringlet, white admiral and grizzled skipper.
    • In other species, the adults are superbly camouflaged as well, including the evocatively-named merveille du jour, which, with its green and black patterning, blends in perfectly on lichen-covered trunks.

Origin

late 19th century: from French, literally 'wonder of the day'.

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