Definition of girasol in US English:

girasol

(also girasole)

noun

  • 1A kind of opal reflecting a reddish glow.

  • 2North American

    another term for Jerusalem artichoke
    • ‘This might be taken to be a folk etymology, like ‘Jerusalem’ for ‘girasole’ in ‘Jerusalem artichoke’ (a kind of sunflower).’
    • ‘A girasole is a plant whose flower turns towards the sun.’

Origin

Late 16th century (in the sense ‘sunflower’): from French, or from Italian girasole, from girare ‘to turn’ + sole ‘sun’ (because the sunflower turns to follow the path of the sun).

Pronunciation