underpinning

2 ENTRIES FOUND:

un·der·pin·ning

noun \ˈən-dər-ˌpi-niŋ\

Definition of UNDERPINNING

1
:  the material and construction (as a foundation) used for support of a structure
2
:  something that serves as a foundation :  basis, support —often used in plural <the philosophical underpinnings of educational methods>
3
:  underwear —usually used in plural
4
:  a person's legs —usually used in plural

Examples of UNDERPINNING

  1. <the underpinnings of the theory have recently been called into question>
  2. <the underpinnings of the bridge were seriously damaged in the collision>

First Known Use of UNDERPINNING

15th century

Other Building Terms

batten, cistern, hearth, lath, transom, wainscot

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