Definition of nasturtium in US English:

nasturtium

noun

  • A South American trailing plant with round leaves and bright orange, yellow, or red edible flowers that is widely grown as an ornamental.

    Tropaeolum majus, family Tropaeolaceae

    • ‘Examples of these are ivy (the variegated types look very pretty), trailing lobelia, nasturtiums and ivy leaf geraniums.’
    • ‘These could be interspersed with edible flowers, trailing nasturtiums and orange Calendula would be musts.’
    • ‘For great foliage and color contrast, plant yellow nasturtiums around the outer rim of the planter.’
    • ‘The garden is full of marigolds, pansies, dahlias, primulas and nasturtiums, as well as shrub roses and climbers.’
    • ‘Edible flowers, such as nasturtiums, pansies, violets, and calendulas, are also good.’

Origin

Old English (originally denoting any cruciferous plant of the genus Nasturtium, including watercress): from Latin, apparently from naris ‘nose’ + torquere ‘to twist’.

Pronunciation

nasturtium

/nəˈstərSHəm//nəˈstərʃəm/