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n.1.(Bot.) A European herb, the tormentil. See Tormentil.
2.(Arch.) An ornamental foliation having seven lobes. Cf. Cinquefoil, Quarterfoil, and Trefoil.
3.(Eccl.Art.) A typical figure, consisting of seven equal segments of a circle, used to denote the gifts of the Holy Chost, the seven sacraments as recognized by the Roman Catholic Church, etc.