septfoil

CIDE DICTIONARY

septfoil, n. [F. sept seven (L. septem) + E. foil leaf: cf. L. septifolium.].

A European herb, the tormentil. See Tormentil. [1913 Webster]
An ornamental foliation having seven lobes. Cf. Cinquefoil, Quarterfoil, and Trefoil. [1913 Webster]
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. [1913 Webster]

septfoil, n.
1 a seven-lobed ornamental figure.
2 archaic tormentil.

Etymology

LL septifolium after CINQUEFOIL, TREFOIL