In by Jackie Dunn

The supporting portion of a structure below the first floor construction, below grade or partially below grade, including the footings, upon which the structure or wall rests, and usually made of masonry, concrete and/or stone, but can be made of alternative building materials.

Merriam-Webster Online Dictionary
foundation (noun)
the act of - founding
a basis (as a tenet, principle, or axiom) upon which something stands or is supported - the foundations of geometry the rumor is without foundation in fact
a) funds given for the permanent support of an institution - endowment
b) an organization or institution established by endowment with provision for future maintenance
an underlying base or support , especially the whole masonry substructure of a building
a) a body or ground upon which something is built up or overlaid
b) a woman's supporting undergarment - corset
c) a cosmetic usually used as a base for makeup
foundation (Wikipedia)

Foundation may refer to:

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