from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Architecture A flat object or opening with scalloped edges or ornaments.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A symmetrical shape which forms the overall outline of a set of partially-overlapping circles of the same diameter.
from the GNU version of the Collaborative International Dictionary of English
- n. An ornamental foliation consisting of more than five divisions or foils.
- adj. Having more than five divisions or foils.
from The Century Dictionary and Cyclopedia
- In architecture, decoration, etc., having more than five foils or arcuate divisions: as, a multifoil arch.
- n. Multifoil ornament.
multi- + foil (Wiktionary)