Definition of thuja in US English:

thuja

(also thuya)

noun

  • A North American and eastern Asian evergreen coniferous tree of a genus that includes the arbor vitaes.

    Genus Thuja, family Cupressaceae

    • ‘I have looked at Thuja and it seems to be the tree for me.’
    • ‘The herbs blue flag root, thuja leaf and burdock root are good for reducing goiter (enlargement of the thyroid gland).’
    • ‘The Arboretum contains four hundred species of tree and shrub including walnut, beech, cedar, giant thuya, cypress and cork oak.’
    • ‘A few years ago I killed the only Thuja I ever had.’
    • ‘Thuja (arborvitaes) has three primary species; one from the eastern United States, one from northern China and another from the Pacific Northwest.’

Origin

Modern Latin (genus name), from Greek thuia, denoting an African tree formerly included in the genus.

Pronunciation

thuja

/ˈTHo͞ojə//ˈθudʒə/