Definition of ailanthus in English:

ailanthus

Syllabification: ai·lan·thus
Pronunciation: /āˈlanTHəs
 
/

noun

  • A tall large-leaved deciduous tree that is widely grown as an ornamental or shade tree. Native to Asia and Australasia, it has been naturalized in North America and central and southern Europe.
    • Genus Ailanthus, family Simaroubaceae: several species, in particular the tree of heaven
    More example sentences
    • He'd describe his love for this tree that grew all over North Philadelphia, the ailanthus - something I'd always considered a big weed.
    • Barberry, knotweed, ailanthus, and the brilliant Euonymus known as burning bush are just some of the horticultural immigrants that continue to out-compete many of our indigenous species.
    • There won't even be an ailanthus tree and a broken fountain in the back yard.

Origin

modern Latin, from French ailante, from Amboinese ailanto, literally 'tree of heaven' (the ending being influenced by names ending with -anthus, from Greek anthos 'flower').

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