underpinning
noun
un·der·pin·ning
ˈən-dər-ˌpi-niŋ
1
: the material and construction (such as a foundation) used for support of a structure
2
3
: underwear
—usually used in plural
4
: a person's legs
—usually used in plural
Love words? Need even more definitions?
Merriam-Webster unabridged
Share