polyfoil

English

Etymology

From poly- +‎ foil.

Noun

polyfoil (plural polyfoils)

1. (architecture) Multifoil.

See also

• trefoil
• quatrefoil
• cinquefoil
• sexfoil
• octofoil

References

• “polyfoil”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.