
1) American slang for the legs 2) Construction terminology 3) The legs
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https://www.crosswordclues.com/clue/underpinning

1) Base 2) Basis 3) Brace 4) Foundation 5) Reinforcement 6) Strengthening
Found on
https://www.crosswordclues.com/clue/underpinning

In construction or renovation, underpinning is the process of strengthening the foundation of an existing building or other structure. Underpinning may be necessary for a variety of reasons: Underpinning may be accomplished by extending the foundation in depth or in breadth so it either rests on a more supportive soil stratum or distributes its lo...
Found on
http://en.wikipedia.org/wiki/Underpinning

• (n.) The foundation, esp. of a frame house. • (n.) That by which a building is underpinned; the material and construction used for support, introduced beneath a wall already constructed. • (n.) The act of one who underpins; the act of supporting by stones, masonry, or the like. • (p. pr. & vb. n.) of UnderpinUnderpinning: word...
Found on
http://thinkexist.com/dictionary/meaning/underpinning/

The installation of strong foundations underneath primary foundations when the latter have failed or have been found to be inadequate to support the structure above.
Found on
http://www.encyclo.co.uk/local/20704

In architecture underpinning refers to the material and construction used for the support of a building introduced beneath a wall which has already been constructed - the substitution of a new foundation for an old one. The term is also applied to the foundation, especially of a frame house.
Found on
http://www.probertencyclopaedia.com/browse/TU.HTM

Underpinning is American slang for the legs.
Found on
http://www.probertencyclopaedia.com/browse/ZU.HTM

Construction technique to strengthen the foundation of an existing structure with the use of beams, concrete or base pining.
Found on
https://1build.com/blog/construction-terms/

Underpinning is the act of strengthening an existing structural foundation. If the project is being done on a previously built structure, the foundation might not be strong enough or new enough to carry the new building. Underpinning can be mass concrete, beams and base pinning, or mini-piled pinning, depending on the suitable solution to each stru...
Found on
https://www.archdaily.com/898221/45-construction-terms-and-concepts-all-arc

A method of strengthening weak foundations by supporting the walls, digging underneath and inserting a new foundation.
Found on
https://www.diydata.com/general_building/building_glossary.php

The installation of strong foundations underneath primary foundations when the latter have failed or have been found to be inadequate to support the structure above.
Found on
https://www.encyclo.co.uk/local/20697

a system of supports beneath a wall or the like. · Often,a foundation or basis: to uncover the emotional underpinnings of an illness. · · underwear, esp. women's underwear. · the legs.
Found on
https://www.infoplease.com/dictionary/underpinning
No exact match found.