screw augur

/skru ˌɔgər/
IPA guide

Other forms: screw augurs

Definitions of screw augur
  1. noun
    an orchid of the genus Spiranthes having tall erect densely flowered spiraling clusters of creamy white vanilla-scented flowers; widely distributed especially in low damp places of eastern and central North America
    synonyms: Spiranthes cernua
    see moresee less
    type of:
    ladies' tresses, lady's tresses
    an orchid of the genus Spiranthes having slender often twisted spikes of white flowers
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