Definition of arabis in US English:

arabis

noun

  • A low-growing herbaceous plant that typically bears white or pink flowers, frequently grown in rock gardens.

    Genus Arabis, family Brassicaceae

    Also called rock cress
    • ‘Items stolen have included potentilla bushes, arabis and fuchsias.’
    • ‘Clip back aubretias, arabis and perennial candytufts when they have finished flowering.’
    • ‘Both are but a few inches high, and are pretty planted in spreading patches about the drifts of snowy Arabis in bloom at the same time.’

Origin

Via medieval Latin from Greek, feminine of Araps, Arab- (see Arabic).

Pronunciation

arabis

/ˈerəbəs//ˈɛrəbəs/