Hypertext Webster Gateway: "underpin"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Underpin \Un`der*pin"\, v. t. [imp. & p. p. {Underpinned}; p.
pr. & vb. n. {Underpinning}.]
1. To lay stones, masonry, etc., under, as the sills of a
building, on which it is to rest.
2. To support by some solid foundation; to place something
underneath for support.
From WordNet (r) 1.7 (wn)
underpin
v 1: support from beneath
2: support with evidence or authority : make more certain or
confirm; "The stories and claims were born out by the
evidence" [syn: {corroborate}, {bear out}, {support}]
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