'Underpin' definitions:
Definition of 'underpin'
From: WordNet
verb
Support from beneath
verb
Support with evidence or authority or make more certain or confirm; "The stories and claims were born out by the evidence" [syn: corroborate, underpin, bear out, support]
Definition of 'Underpin'
From: GCIDE
- 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. [1913 Webster]
- 2. To support by some solid foundation; to place something underneath for support. [1913 Webster]