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]

OXFORD DICTIONARY

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

Etymology

LL septifolium after CINQUEFOIL, TREFOIL