Definition of spathe in English:

spathe

Pronunciation /spāT͟H/ /speɪð/

noun

Botany
  • A large sheathing bract enclosing the flower cluster of certain plants, especially the spadix of arums and palms.

    ‘The flower head consists of a spathe and spadix.’
    • ‘Four of the five bracts that enclose and protect the plant's spathe and spadix now have fallen.’
    • ‘Always bitterly exuberant, you see life as a pink spathe swathing a yellow spadix.’
    • ‘It will take a few years to flower but the long yellow spathes that appear in spring before the leaves develop are well worth the wait.’
    • ‘At the correct stage of maturity, Narcissi have slightly bowed buds and visible color, and flowers are emerging from the spathes.’

Origin

Late 18th century via Latin from Greek spathē ‘broad blade’.