Foun‐da″tion (?), n. [F. fondation, L. fundatio. See Found to establish.] 1. The act of founding, fixing, establishing, or beginning to erect.
2. That upon which anything is founded; that on which anything stands, and by which it is supported; the lowest and supporting layer of a superstructure; groundwork; basis.
Behold, I lay in Zion, for a foundation, a stone... a precious corner stone, a sure foundation. Is. xxviii. 16.
The foundation of a free common wealth. Motley.
3. (Arch.) The lowest and supporting part or member of a wall, including the base course (see Base course (a), under Base, n.) and footing courses; in a frame house, the whole substructure of masonry.
4. A donation or legacy appropriated to support a charitable institution, and constituting a permanent fund; endowment.
He was entered on the foundation of Westminster. Macaulay.
5. That which is founded, or established by endowment; an endowed institution or charity.
Against the canon laws of our foundation. Milton.
Foundation course. See Base course, 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.