An ornamental design having six leaves or lobes radiating from a common centre; = sixfoil, n.

Architecture. An ornamental feature, as a boss, opening, etc., taking this shape.

Architecture. An ornament used in the Pointed style, consisting of five divisions or ‘leaves’ formed by the spaces between a series of cusps…

Architecture. An ornamental design with seven foils. Also (chiefly Heraldry): a design with seven leaves or lobes radiating from a common centre.

An ornament consisting of many (usually more than five) foils (foil, n.1 2b). Also in extended use.

(a) n. an ornament or pattern that has many leaves or leaflike divisions; (b) adj. having many leaves or leaflike divisions.

an ornamental feature consisting of seven cusps or points.

An ornamental figure representing or resembling a trifoliate leaf; spec. in Architecture an ornament with an opening divided by cusps so as to…

An ornamental design (or opening) having the form of six leaflets or petals radiating from a common centre.

a quatrefoil.

An ornamental figure consisting of eight leaves or lobes; a double quatrefoil. Also figurative.