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Meaning of underpinning

un•der•pin•ning

Pronunciation: (un'dur-pin"ing), [key]
— n.
  1. a system of supports beneath a wall or the like.
  2. Often,a foundation or basis: to uncover the emotional underpinnings of an illness.
    1. underwear, esp. women's underwear.
    2. the legs.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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