FOUNDATION n.
e, under Base, n. -- Foundation muslin, an open-worked gummed fabric used for stiffening dresses, bonnets, etc. -- Foundation school, in England, an endowed school. -- To be on a foundation, to be entitled to a support from the proceeds of an endowment, as a scholar or a fellow of a college.
FRET n.
The reticulated headdress or net, made of gold or silver wire, in which ladies in the Middle Ages confined their hair. A fret of gold she had next her hair. Chaucer. Fret saw, a saw with a long, narrow blade, used in cutting frets, scrolls, etc.; a scroll saw; a keyhole saw; a compass saw.