Meaning of sexfoil in English:

sexfoil

Pronunciation /ˈsɛksfɔɪl/

noun

  • (especially in architecture) an ornamental design having six leaves or petals radiating from a common centre.

    ‘The general obverse type is of a crowned and bearded portrait inside a triangle with a hand holding a sceptre to the left and a cinquefoil or sexfoil to the right.’
    • ‘It is circular with a sexfoil depression.’

Origin

Late 17th century from sexi-‘six’, on the pattern of words such as trefoil.