1. (n.) A European herb, the tormentil. See Tormentil.

2. (n.) An ornamental foliation having seven lobes. Cf. Cinquefoil, Quarterfoil, and Trefoil.

3. (n.) A typical figure, consisting of seven equal segments of a circle, used to denote the gifts of the Holy Ghost, the seven sacraments as recognized by the Roman Catholic Church, etc.